{
  "manageEntity": {
    "action": "Update",
    "entityId": "25139427",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x312d9595d22339636870d3591ee7db6ff4252837df7e01dcb6ebb19fdd17f661",
    "signature": "0x8242ef0f714b89353299417f4adc321440d38a15b56e4afe3f4f19c6fa80a28a72161699a866817e2bd8641879f34dff2f24fd50b8f5c23df2161bc3c613b53b1c",
    "signer": "0x9Ab31a27D2bb88Cb09b3848b3d5A14E5EED7828A",
    "userId": "25139427"
  }
}