{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x386af3d08b065b3e0ca9d59de7e688e5c1d74a665de56e8f88381a989576f28d",
    "signature": "0xd1e45207cec9c17347bb4953356bb894245162f844c4a1a795723124b3d6233d78e0e65feb41b93b35c570e902ec05e6836261c12c146eb046f8b0cbcb8cae1a1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}