{
  "manageEntity": {
    "action": "Delete",
    "entityId": "293349628",
    "entityType": "Track",
    "nonce": "0xa64a3c2ac215dfbdf9d97528ecf4190245056979dc6aa041ba03c937d094396e",
    "signature": "0x9f3b74ca5b9f65e43036b68f6839d231ec200c690e7ec873d66b4c9bd21cf1b9007585cbfd132c4410f5b340112c1dd68dc5e84a11ecc9a01b8c216a7e16257d1b",
    "signer": "0x0C9AEa01FA89c6397d469Cc761335021a2a5B07C",
    "userId": "364579809"
  }
}