{
  "manageEntity": {
    "action": "Update",
    "entityId": "897527045",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb63786abaf4d095247b7cc21e7ad9321111836b7efb5661ac083eac714d608a9",
    "signature": "0xc51285725c9503cce9d70120313c865e640ccc2fab394aae3e4f066d5037d2ef50396c1499de443ba30bf50c43a6d57e7f7340611db67fc9bf65b777e97c94861c",
    "signer": "0x980AeeD86E76ae7266337DdBE6f3d8C84d4d3f2D",
    "userId": "897527045"
  }
}