{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x227c975c53091bdcd11e0c1e594a622a5c7710c819b8302d00f0e3ba3ec42d99",
    "signature": "0x7901cb7a29e5ed419f6ebfedfd2e5962916286a121860d76dbc39142e8af8cc47e08de098c0bc8af53d79a51e8977bc248e9b427bf6c41a0b318ce0497db52c81b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}