{
  "manageEntity": {
    "action": "Save",
    "entityId": "63194",
    "entityType": "Track",
    "nonce": "0xab6bc27779663f0869cd521e13bffdddda1dc558c67d15462467f1eb7564499d",
    "signature": "0x8f81be0e61f8ff0015859b69614676517682c21a529358ffc85b2518f29ee51260155fe23fd0a19c14a271419e6c28a07039c4cff03fbbf89439976d65b8ad741b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}