{
  "manageEntity": {
    "action": "Delete",
    "entityId": "143032217",
    "entityType": "Track",
    "nonce": "0x97fadac3b680c923039ade5aa975f45455e0eca9423ca7e6cff2593546c5ed09",
    "signature": "0xe825399a6852c7d95a31b8d2398329b0f85434495356ae54d073b874aec61710776d562d9968e549faf33540a04cd82765524271a9c6cd4962e67c93d77c90fc1b",
    "signer": "0x70DE3E32cb40Af4BbBFE727482Ba64c0DE1aB844",
    "userId": "18534721"
  }
}