{
  "manageEntity": {
    "action": "Save",
    "entityId": "1322633946",
    "entityType": "Track",
    "nonce": "0x2e7343b44444197c7d6f269c71633cd901955915ed4f832a53a0e617e46d24ec",
    "signature": "0x0735a7a73825b2d69cb789e445eabf64b76b134dde2661b5c47b9dfa1b56b4dd4f8259a33384b13616aaab29347c43110425b2f719bb756b165abd91a4ee675f1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}