{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11775",
    "entityType": "User",
    "nonce": "0xc53fd9d6b5f727c4b9b1c95729be2fd70df06093fa83bdf4096821ccef23c388",
    "signature": "0x14cf01f444b26af33231ba99a5941b2ac646fea4cd2c31923744a1415b467d0e5d1d1191421c0c777961a083b3648f1948bc340163cc747d238e9dbd8b2668b81b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}