{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "822911028",
    "entityType": "User",
    "nonce": "0xbdfb43cd3e6664384f18811e20e60b0c356fa731f4c19323ca759d3d5959f98a",
    "signature": "0xa0cfbe865fed7faab5a0db5b95d42c6849bad76790b6ae8eaf779e9285716ba62d170a34d835821b0c17d9a876fa13b7ac74d33c479b2d93a466975dc6e99a391c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}