{
  "manageEntity": {
    "action": "Share",
    "entityId": "750823956",
    "entityType": "Track",
    "nonce": "0x6302408cf1ea10664c980fb9c9f99ecc98f8c5b64b9a866abefe1c393e1de38a",
    "signature": "0xa8ccba91f9c99a04a46f76ce65e3e9b98c4a589d9f8e02047ff1597c27573e9a257ad40eb5d29120cd2afa157854015c5f033170d4fb06d4540f50573f881c711c",
    "signer": "0x1640Dba7CFb907fBEF6DBC6b56c742f791632486",
    "userId": "235256666"
  }
}