{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0xeec4dae1d00013c9626a1a317215a6c12f7e6331eaf5622f1d3d0cf1bd37d446",
    "signature": "0xd63f96fbab81606f53248164ba405a1b994ddef462deabbef423c5d0f9cbbba72ad1dee4fe6a5905c4ddc4e778bd59b457ada388a722a2456eb7a52d84738c681c",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}