{
  "manageEntity": {
    "action": "Save",
    "entityId": "79605062",
    "entityType": "Track",
    "nonce": "0xa083c1b09821225c5bb5bfea1a92ba57f6505a3a791504906ca3627806ded96c",
    "signature": "0x7cb5c7663479c6065c94d86b1ed1aeaafee7b30a024e80f7b561fb1cadafeeaf374c030fd126da616e6d43e30c5152735c2dbbebe27ebc418ba856823183ff631c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}