{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x87119a0b72c8bc67f8226de9d684b7f589c0da719128fe917f14500a7ff9d406",
    "signature": "0x0f19885f206055d3a1f3cf1d12c55968a3bd90be1a6503a1ca18fcfe9900d2044ef27824d6018551fb488b340e2e9eddcf35ef410e84b204a55cbc5dac569cd31c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}