{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0xe7c13137ebd2c383a0eab17139fb4d9cdc48d4a0de4746ad8d062222bd463b9d",
    "signature": "0x2f3546a2c41e9169a5f38725f2aaf9cd67148e7664343ca7d5b6768dab39133d0c354a78ba770e5aacfb90e87714fd6dd4668a4517b2d605c9ac1afa3de4eba71b",
    "signer": "0x03B2B16FC491BB9F7E9819D5186aF26a4DB298cE",
    "userId": "244710707"
  }
}