{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1673483302",
    "entityType": "Track",
    "nonce": "0x137f72a32932a0c1ece2c7e5dd37e1ff77265835ce8666f55725df362ac6d068",
    "signature": "0xb3bc665be355670c36b6845f7564ea52e5540928c2fece359ac0cde5a5eae08e4ed036bdc40400aa75f123d642a03b623fe359e247a095c5d1d233a9c261a1b01c",
    "signer": "0x5e16eE72f4c7af2A50C7DA188d65e074e69D78B9",
    "userId": "898051107"
  }
}