{
"manageEntity": {
"action": "Save",
"entityId": "178156",
"entityType": "Track",
"nonce": "0x0a6d1a3275e4446537f2085c77b2bcd84d53e742ce8cb13cf20e4941123fa713",
"signature": "0x96fa377ac95258a103f1e80111465f11b2f24dc15de5c98be0b1df06aabf24112fc392167c6f69bc76b63413a8a306cf8c30285dd3594d4fb5e9183d6051fe511c",
"signer": "0xca797dA7dCB793742623d55EA81fb92A9566B550",
"userId": "363062902"
}
}