{
"manageEntity": {
"action": "Save",
"entityId": "1826683307",
"entityType": "Track",
"nonce": "0xeaaed78fd2806cbc18be11e1ac3af1968554133b9a7d6ee02c162b02f65f5f5b",
"signature": "0xa241d961a7093b57a5938f185ec1f61eebb88e3f5a16737c1edf9e0fadf0ec024bca12db6485c83e3e18053ac4ed999cfe0285ffbc54db89d3e80087cf8586001c",
"signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
"userId": "35251"
}
}