{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2047015",
    "entityType": "User",
    "nonce": "0x923e6fad3d5a08d86892db930eadfb107e9af7579bbe3e2e29b63179aac6df5d",
    "signature": "0x5917547e2e773d006e0de207c13f7223ccc380ed3fe9ff319dd682aafa1c8a2204e5e8668cc369f11a075c5be293635da5892c30d644abfa9033bad3283e067e1c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "390992303"
  }
}