{
  "manageEntity": {
    "action": "Save",
    "entityId": "1692789914",
    "entityType": "Track",
    "nonce": "0xf41302f00fc0123c6569b22dc2d16ff543d0bfd20b58f47d11e17dc435a18d0f",
    "signature": "0x98b7bd633fca554f9eadb974f4d37592f4ee8956f391ab4b34274135b13a261a673da640500b6f7b4628d7ff78afcce36b5b3a19b7bf91547e7c12883c7d36061c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}