{
  "manageEntity": {
    "action": "Save",
    "entityId": "11336928",
    "entityType": "Track",
    "nonce": "0x7bfd9a2a24b2867556d71d869fc5259cfdb5a76f79796680122a4dff3ca72fb6",
    "signature": "0x7410637e35faecb7cc35fb11e352a9993752f3bf8b063d1128fc296001e1599c6f33750a907f081b9fe30ee6ba3527062ee00038f1c8c0e2d673eaa4afb7ffcb1b",
    "signer": "0xC1896EAF7ae2431A08647A163291b5a8A0cd2a6C",
    "userId": "185209372"
  }
}