{
  "manageEntity": {
    "action": "Save",
    "entityId": "2034008536",
    "entityType": "Track",
    "nonce": "0x41428f95b6c82a8d97c5c68da1c504112e8ae550a65265e3615ca35756a1a99e",
    "signature": "0x90aba8dac886b5d282fff80af20cf761e6d3acce2c7bf8b0de9b0ca8f9c1fb0c311f85b43855b517b57d9f88b822578b1bf9ac72f98f1f1e1b1a43adbe4ae2181b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}