{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x9882ed25e84839009c1cc0599391457118bbd13b9a084630a177d8d8b57316a6",
    "signature": "0x27c647db8a65e486b0b405c9b284eb9fe10716d8d78a8855afc2451fe327d5e3655eb040d3fc017fbc9c9b9c26d845bbf7761de4bdf462a57005da0e521142e61b",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}