{
  "manageEntity": {
    "action": "Save",
    "entityId": "1057152701",
    "entityType": "Track",
    "nonce": "0xdf06cac67f317e10922518da4765fb81d5d78559333ef3ec684501b26eb26370",
    "signature": "0x6ea14a79e3bd197192027b197c477e59934fa7d5680ba3dd1032022f066888a42f1f05f5f73ed0bfff74e9686761343d3e1927e95043a442ec0208d878bb08df1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}