{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147204",
    "entityType": "User",
    "nonce": "0x1c37895f635a5c42aab8e41ad8e81e10979e43f966fc2dc9eabf845162d9c27c",
    "signature": "0x769d895a7bf3bf735146a5f839ea1c8a438f0468824d9fc8b6377c22a314dc2f77ebe1c8177763bbd0112edaaaa913b0cef5e202d11442d9a152b0dec693061f1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}