{
  "manageEntity": {
    "action": "Update",
    "entityId": "633246973",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb77ee73b4ccc62f49c4e6c1df4ad1514c7822c660dee15603037a4e1b433c84f",
    "signature": "0xdc9630be82df688527ffac7db513a855661ebfc66506e1b5df6de7808a1e60e0686445eda9a229b4c3de5703cd40517ccd7fcbbdb08c9e5a074d51c9afe15b0e1c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}