{
  "manageEntity": {
    "action": "Update",
    "entityId": "613795948",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe23c9d08cdf5b41c169e4bbb9a6a801ddfc8ce4441553435a77a51d2e11ceed8",
    "signature": "0x5279c213f944fb59cb9a4a128bf4611ffa34003eb61d675c2b55fa8aaa2694fa41517e020ae79bc40338bd314c66e83de5225a4ac430718c0a448aa2a51811861c",
    "signer": "0xdE514d4453008BE0255A05508A3b1876C4a6BC71",
    "userId": "613795948"
  }
}