{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x0878692aa1cfdd2654064dd77df7677c771c918b0336cc4450b8c0fb8fe65350",
    "signature": "0x17d7243198e9a063b97702d7cf83473bd50eca3c7cb94f5ed296eb75100650532e759d00db0aef66ea25863828d6a51b684d31b2b3f3fea7c86dcd39abad56051b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}