{
  "manageEntity": {
    "action": "Update",
    "entityId": "341570178",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9ea4f231b2dd332c07b4403a9b1add4607e300a55dad4284e1fbb2367b0fdc0c",
    "signature": "0xc0f2cdc141058a71db44ac7a34b27268952c72777a98e7b86f4477696a17ac666ca8c2155d25a461a593c39ffd3a1f321cb8052b48f5350dbc9ebe8c8395b3511b",
    "signer": "0xf83661c3240fdFD2176739DD8c0BDE0B1613D738",
    "userId": "341570178"
  }
}