{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "816709547",
    "entityType": "User",
    "nonce": "0x70b02db54201bc58c8b2370fda55ee3fba2b75e8b397dcdbee2f2772fa7b0d4d",
    "signature": "0x84ed001fe680ca2f59cbd9c5be17ee3a69f504d5bf57c2f411ce7c547ebe28bf4dd0b746ffc0d41512ed5ee4dbe8d1fb85ae97bb8bd390316d229359b24041021b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}