{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0xf8acf6cb46a882bf485d1680cd730cd8a599e0650babae521b1c9fd5a91cde9b",
    "signature": "0xf23f16c3f8300cde44024a9fc951682c5a4d8eef30692d5731f337b4cd731a6d0c714c50d53a336487b18ced9e2670c89af0213fa5dac2714b39c9241ec47f2b1c",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}