{
"manageEntity": {
"action": "Save",
"entityId": "132495378",
"entityType": "Track",
"nonce": "0xabd0e812935111901687f79860101cccbd2ee65d6a1911a0b4eca35398f43d3f",
"signature": "0xb94703c7f09ffccc6798f1dd63358fb30588c9e88d886e3cdcd4cbfa153e591a77041ae2b1802cc5cba60f07a52a55ce684a2b81b6c180118aa6cc107510c5701c",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}