{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x8ed7fe0c49c47975fba2e2b80d135c9623be58c34fb88a9c2e2f4caa52e7ed90",
    "signature": "0x62efc60d202508cacb1bfe40f7dc9118373b08ce3f1d3a13a955411c2d6317c31a70a454ba2dbed6f7739dc5b066e4a51127fc328d391d5078020bda3f5eed9c1b",
    "signer": "0xF4DF2D2931c55efC8d4A95Ff5b05579fC73e6565",
    "userId": "390509028"
  }
}