{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310796",
    "entityType": "User",
    "nonce": "0xee9fd266dc4719f7b6ee6658093a9bf9c528dea8ae8425f505b1d5550d724fb5",
    "signature": "0xecdaf29c23c1a02ced50b05a58de4b08f2c57d3a7b0981c4a1074b4ed5a6c78311810bd387110f330775eb39b6e7c317370f9668dc795989faf0a3afb9c03f781c",
    "signer": "0x406E30E26bC6104Be7669E749781Ebc3492c1e00",
    "userId": "67405094"
  }
}