{
  "manageEntity": {
    "action": "Save",
    "entityId": "1022965932",
    "entityType": "Track",
    "nonce": "0x14d704c61ad597a26ccc087b8806634c207e82bfa21451840eac1030111ba574",
    "signature": "0x45fa848bec7d7a79b14e6a6b1c92220c7ad7e960fde25273f52a3ee0fdfb18fb59db0a64dd827225e44638941091df833c8c02b3afacee7f2c614e7ad0a2eb621c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}