{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267179822",
    "entityType": "User",
    "nonce": "0x0ac789b08d7e89d2adbe1fea947fe13154cfe0eee22dea3fe74dac700b3a1d49",
    "signature": "0x915868226ecbe683679767cf729496ba8e9ef217534ce968850801180080b9bc3ddb60b66cbd08d84a3526985d97442e13e9e7fb6471f9b70dfb4f4c3ed1389d1b",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}