{
"manageEntity": {
"action": "Save",
"entityId": "88563692",
"entityType": "Track",
"nonce": "0xf202a2bb7a38b8f10ce57d46703d017be15211d62295001762da8422978b711b",
"signature": "0xdd00af83971f05a0e291eb5fb8b666a5bca82c5ab8e633cc1e461667b636b70377a6354e078041925a0e2515720cd735ab6c59fb477b9b009870510ddd3076691c",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}