{
  "manageEntity": {
    "action": "Save",
    "entityId": "1711023383",
    "entityType": "Track",
    "nonce": "0x894b5d4eaf66df651ac6b3c3bb7774e67b2901985cf4c0a4de406270b58b7c36",
    "signature": "0xc4e50ac7b98eb886c568ac7fb178effdc0a2d9a1e8447dce442d6080d391efa7651e9677fbe0741d50b7a1585257710eb75702b77a681723747bbf8599208b1c1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}