{
  "manageEntity": {
    "action": "Update",
    "entityId": "658132552",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xad5d68729af51e75a54a648b292ee0080ae503dec3be32785569a7b2682629d5",
    "signature": "0x9d21407945492895a8ea4b3b010aa542ba0e920fc19f5b67af303325ef21ff902cb5021d25febcd676f553e79e825c1b9e8a6f3edb879565901ff55bff1fa7481c",
    "signer": "0xAB29B8DA3D6B567e0B313F69d81f027Dc1E9993c",
    "userId": "658132552"
  }
}