{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7413c7eedc6ca5e32844f3854714fffc02b9849e497206e1fc838a9675b105d2",
    "signature": "0x7a2dab1b99c77b6912e4eb1a2ceaf7026ed1b800e925f47176d70e06ab9f15f41804bdbd9c53d93a3559622597dedf829dbea4c9e920dadb4f2c8ad99bd52b801c",
    "signer": "0x8630BD2201Fc204d20adB866954f02208251668C",
    "userId": "72079189"
  }
}