{
  "manageEntity": {
    "action": "Share",
    "entityId": "819850548",
    "entityType": "Track",
    "nonce": "0xfede9f4a8fdd550650b0de49d0850c33758716394f47b70e07993fd5e4d58138",
    "signature": "0xef8ccfd43916450dfce961aa581f3a8c2f15cf995dfcc11abfa20f79c3532d7e5a920f4dcebb514fa25cc9bba47ea11c22c1bd999bd7e6aee2deb3a6c67e34a91b",
    "signer": "0x57b14C261e4e7Ffa86944F858D1AE2ADE59Ebb24",
    "userId": "51616847"
  }
}