{
  "manageEntity": {
    "action": "Save",
    "entityId": "1059096",
    "entityType": "Track",
    "nonce": "0x88aba5ba8a9792d4b28cde3d08394ef0ccb89469b300f16eb85bac029b3c7963",
    "signature": "0x88a412d704f3fd65fbbf3cb63a33fbb3320824f0af760d0757cf9058528e7e2b19577bbb44ab54fd475726e6cdfa6ade404b0c70542e70182b731398ae71d9ee1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}