{
  "manageEntity": {
    "action": "Save",
    "entityId": "2093252923",
    "entityType": "Track",
    "nonce": "0xc6a8e77a5a2a4ac12dd213ac732702eb0bb90ce4f2b91c744eef0b396ae82300",
    "signature": "0xee556e4b5237e5c1a3fcb5b4de91ca0decb18c9f5746c6780f5502427da222b4440624bf3b34603f4dec5f85bdd3227c59af36c89fda157909cdedc3d4cd6b001b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}