{
  "manageEntity": {
    "action": "Update",
    "entityId": "410584498",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9be2b76bc97113e3d754ec0a6d3efd7a57ddb360fe761d31d0367e302f092650",
    "signature": "0x7467c96456adb9a0caf7565855c00bab4c2edf165f2b617fd44ac5f64e4efc1c25315d2ca4e13bcc87e98d904eb17c57ddb3ee5cc3148577e2ecfde8df0b10b71b",
    "signer": "0xCF1beA3B84E045C90689398A753E87C706436710",
    "userId": "410584498"
  }
}