{
  "manageEntity": {
    "action": "Update",
    "entityId": "237765871",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e9aa8dbed5165130b6ff45abfdef68aaf0a4fe9debb05c4783157d46c65cc39",
    "signature": "0xfe9bf69d34d2a13b664cdace0ae9b2f4e0b4b9f8736ad97ce30fba66dd51dc2f7dde0764497ddebed5742ad00f13e6753b568ec127d745fa6b8b33e0248f07331b",
    "signer": "0x8c716F932726b40bC9E1CEC18f2c93dc876da1Dc",
    "userId": "237765871"
  }
}