{
  "manageEntity": {
    "action": "Save",
    "entityId": "276163235",
    "entityType": "Track",
    "nonce": "0x9e2c9dd1fabe3220ddbcbae02732855b7966a2f7b2292d85a29d20db89ca8b42",
    "signature": "0xdbd310b2db132143d1077de0ebb78c86f64e02c92a1f3317b202b8869a3137803da2642946be38e6e454019d5d8b630293d4f86c1a910d7df1c7833b9e6916321b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}