{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1eef1429b523d440b22d69e8b6ecea85e9864c92d89644bb11080d388211dd37",
    "signature": "0x4495eaae588da2935e1b3cb57d356ae5e31a6b5c73c6be02f3484a3190a4dea678678ede9153148de5b4f3fafd7779d46b3a28db13b2284c962633eb16b3aab81b",
    "signer": "0x8630F2521F11563729A6358aD0134847e803C0B9",
    "userId": "127830355"
  }
}