{
  "manageEntity": {
    "action": "Update",
    "entityId": "907715856",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd836f88ff8b01fbef20a3e7bb456580b6e1a282abffc22e7988758ad2989c66e",
    "signature": "0x0ea03cb680ae828c7dfb6bbc85c6cffa58dfc57f86108e91616100932d7aa7a42205bce17a39d80616b7b8b004e5ea403064d01bc0b4477cbb7da2145dc9bc6b1b",
    "signer": "0x58Ccb3000AB537CcD6E1c3Fa4AA91773c6c4becf",
    "userId": "907715856"
  }
}