{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa4600ca2e0f44c462b3baf7c0b132dd9db2ce564569ba8b584e8479bd222ddb5",
    "signature": "0x381df303c1a14f237ad824ffb11c4b5b55d18d8a98b8d04393dafe06ee02437e1a92290a115787a90a885ddc2a6aea3653d25cd4fabe5297ecc9ad4da43a92a21c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}