{
  "manageEntity": {
    "action": "Delete",
    "entityId": "2107501821",
    "entityType": "Track",
    "nonce": "0x743e8508f28be181677753e593acd66a6991c22fc009e0f816898e9ac38ac82e",
    "signature": "0x0869908cb32e113679bb34e580686f23293d62a9d17eb15e55f9166ab3f51aa40b5c270fbe441f6d24081747c210a5fca9c22cae62c34ff1046e629954904cdb1b",
    "signer": "0x6C1EF2E9c33E2ba1c0d352e41e06e8a3C7721C6f",
    "userId": "677761206"
  }
}