{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "864400174",
    "entityType": "User",
    "nonce": "0x5e026990d6fc151343b9e21548d209bcdb6a9343220ca7bb4525dc68daf6f204",
    "signature": "0x1d5da5ddb5dacb068ea352719d4f178c0e1306b546a79ac647ccbceef85abe104bb9a78d22694c4c341531f1f5b3bfd49d8f033bb66f32dbf2a7d28dbc79d22b1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}