{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170694",
    "entityType": "User",
    "nonce": "0x2d444a03251e94c098d9d46762c5d9c2b4430c81689b58c9300d451e91ee875a",
    "signature": "0x473e4c75dbc7cebb9338bbbdc1d0147bb5bdea8e98df28fb84ff1025b7d918a97fc08e732de7539f62e05d57a46cf5828b7b20057ce7c9f1846a88fd14a04e261b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}