{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56282",
    "entityType": "User",
    "nonce": "0x75d90f8a4372ff811ee7846f031314c7828e942dbc8a116ff7488ccc3a5c6dc2",
    "signature": "0xbd50c68adbf5c7b45c6bea48d8e3a0b50360e11f6b6f11f68eda4b3937c8f4b7632ded057228c808877cc1bb4540ce0e2fb3b42ae8cc4c67c1b99ff91980c7641c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}