{
  "manageEntity": {
    "action": "Update",
    "entityId": "172317106",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9f5cb2d5230c22486e0028d569940361ab0bd0561c5ab71b4e3552684c646a90",
    "signature": "0xd63d1037d81496b4c98ccab111e032bf75b269270e23c31f6f8c0f6c5c0c46f9011982815f93c776c70525ea2e15db4060dda955c33583d6a1cb038511c095a81c",
    "signer": "0x8B8094F1ebbB9F40884A6b5d932F7E821D519a9d",
    "userId": "172317106"
  }
}