{
  "manageEntity": {
    "action": "Delete",
    "entityId": "1211371818",
    "entityType": "Track",
    "nonce": "0xeef332f62d7198d27c842d00650149259fc4afc736f03276e8de1b4e0497e12c",
    "signature": "0x0e5b09c6f8014484d503f1d090a935a32a235a9bf70f551361ff92879c07b1092e827cb2c6b16d1db4b2eae2248e4fa9eddfa5f933f7c1f41c059da021118d581b",
    "signer": "0xb9160bee52F73DAB98D7cB3210d24Be59194CaC4",
    "userId": "319969"
  }
}