{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389572",
    "entityType": "User",
    "nonce": "0xf00e1b80996bc0c1b0d8d82adeb93b5e0969f34344cded3889a233b0ea2093d9",
    "signature": "0x8db1c1676b106f5a6d82c2efcb7d7c5db601b6a5aa63514e899027e60efe349415637171928d43b4cba5f08ca4d61810fe8a11fe987033f1fba610d06de6337d1b",
    "signer": "0x359c0073aA18FeB5af105AB505631fc703121Ab9",
    "userId": "800879796"
  }
}