{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148569",
    "entityType": "User",
    "nonce": "0x4be9af59796538b6ed2bcbf97eb3250ed8f2363010730223da00b4cba776982a",
    "signature": "0x0fc8f5f34a96934571277ab082d0f57d675686f6730ab398a11c4adac3946a6c23e1d62e41d2d24a17c24008fa2a78a97a3cae0630671a93f7a0de8465c1edf31b",
    "signer": "0x41169dA28a7d95b19615713245D5f46546c83008",
    "userId": "931487252"
  }
}