{
  "manageEntity": {
    "action": "Update",
    "entityId": "70130360",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0349671bbe9067621a95a87cb8daf7b715d7f5cf0e18fa42506f4bb78d026a3e",
    "signature": "0x8fedf4705fe3a693132a7c167d634a2bbd8399e914aa9f41226476f3c2d156d162e25258aed88cacd91e465e59785f3159629f43112a1998beb11d9d41bdff041b",
    "signer": "0xAf7D15ED9BBa46daBff0bcA2b6F5388EC418680e",
    "userId": "70130360"
  }
}