{
  "manageEntity": {
    "action": "Share",
    "entityId": "558799",
    "entityType": "Track",
    "nonce": "0x0f01168f20a7c2a9b05c3d08f13a57855f1adebad76642a1d65e377899f4f27d",
    "signature": "0x9d428c46676a1bbd802e234f713bed2489db2f59ff26c7e7eaf3901d7fc2033c27629731bbc66310b6e670768d8b02189a3a1d7f24c23b8f16f5381acd4323b41b",
    "signer": "0x845281dbE7409e5a070998DdF2f259Ce69Da6A53",
    "userId": "213442781"
  }
}