{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "810228312",
    "entityType": "User",
    "nonce": "0x1fd12fd35751ede030d8352b05974bababe8f25a9d5efec74ba4861710d8023d",
    "signature": "0x1b611b71472591150e6ec8e9d4135f6439eeba07b13cb1980eaab581df6b36d70161b20fc30ebc16a76c1d9b2d47ba37d35b23e2757c635be5600b26cbdfced91c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}