{
  "manageEntity": {
    "action": "Share",
    "entityId": "1542691858",
    "entityType": "Track",
    "nonce": "0x51d442f6c40a0c35839b272561175d1811b67410b4cc38776b249d57d4018579",
    "signature": "0x8a4d3298e2f638772739003ce31eedd919aba8f430619b8e80ef6651a739a782552d55b9486bd8aac283eeb96ef9dcc3c11c821f2910333f3f220a8adcf4838c1b",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}