{
  "manageEntity": {
    "action": "Update",
    "entityId": "120382441",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdff5989e0450db30f477cfb233a61a4b3eeaad0726c469a2a740ad9dd857afa7",
    "signature": "0xfbab67b92e01fd7a177e2dcb4076f4afed1c6d1a6bcfbc4ec38ae0f9335f73dc039cf90c33410a02c69426d50e4c83111508af1093adf4c7d9a2990f3a7154b91c",
    "signer": "0xF901Db5E0FC0ac25E646eAd1227DEE7C64F47Cd3",
    "userId": "120382441"
  }
}