{
  "manageEntity": {
    "action": "Update",
    "entityId": "733215727",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd5b1f2211a48b7a341cbcb681be9902712543c1bc894a7011bbe31cc75349183",
    "signature": "0x1e28b0ebd198cf15bae17d10f18a131ed623783e185356f37ad8cb051ec5f8663116d595274ba4b678c2912fc92be5c7cab5dcf51a1de559055643fe5ed6eb4a1c",
    "signer": "0xA275D81CF2e99e1CBCEEA244Fa82421501e665Bb",
    "userId": "733215727"
  }
}