{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326049483",
    "entityType": "User",
    "nonce": "0x3ced5d4fc01cb070f3e1c8dad76da2e9129c27f37fffede35dadef59585ec85e",
    "signature": "0x18536163caa072e38d1d434d2695a2cb781272892cd6cadab82f1a6f32bdc938200b8e7961da3187a410978ade2c1497fab85cdc08c9b474291e9e333d55125e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}