{
  "manageEntity": {
    "action": "Save",
    "entityId": "1062704",
    "entityType": "Track",
    "nonce": "0xf01097bd06cf0b39950763965f1f9bbbdc5e315271f665f273230fbb5f1c79dc",
    "signature": "0x3a0ce5a7ad9aef4f53c73966e7b9865bbfb8e17ab6cb8652a4851976946cf0bd7ba951818463bf276f06d3282247ee799ee96cdc9ec03ce59296856431e7cbae1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}