{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "434070",
    "entityType": "User",
    "nonce": "0xfdee5ed23f4dd66630e3ad5f82eeec157571f5cd4f1fe68addb3ecd1962baaf3",
    "signature": "0xa65f2ad7938d3a28040666e0e3af3d59549cf00a6f21c2a0ea6ff5b5aaadd70812b9050694b81d68045e7d23a7771701684d7b467551f8a32556d7ad78f889211b",
    "signer": "0xb9160bee52F73DAB98D7cB3210d24Be59194CaC4",
    "userId": "319969"
  }
}