{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1188718375",
    "entityType": "Track",
    "nonce": "0xddcbd33f13721a431a1eb31dc4baea3886c1764dca0a6d159f8a87b076a01429",
    "signature": "0xd92c049fb761347b79c3d284f5a078b4872403220134210af1db69d2443dc101595ea915330559c5b6c43d32afa6c5b9d6c1a80d0e69645a31a6544913d806d31c",
    "signer": "0xB9a164dF7cD4219d373f934306706bd0d68525EB",
    "userId": "309919"
  }
}