{
"manageEntity": {
"action": "Save",
"entityId": "12127317",
"entityType": "Track",
"nonce": "0x9d53cdd269ab8b84eb256c6532c356c72b0a4d4f639c16c59cc77b2806aa111f",
"signature": "0x029e8463512728a2e6f58b42a4eca49d53414522c9443edc92023f083eed7d9f6e4c3c0e370d4ebaf4c15e8f5b7ff59531b4c5220a886224d3936ac19f54af6e1b",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}