{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85920",
    "entityType": "User",
    "nonce": "0x5ce12ef73ef2d17d1989a93a21d4f6eeb9fbdbdc2da4bd55400f0fbedc8de15e",
    "signature": "0xf0c87bea2c5a733a98e4e839996842bd3e762215a67fc92db6c0b7172cff068902910b6dbc6bff86590c9de1cfc8ee4e5b62225b0841b624eb7da40b639867d51b",
    "signer": "0x3067d241baB7e3FE988f593d54881a5AfceD63A2",
    "userId": "382101985"
  }
}