{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16741",
    "entityType": "User",
    "nonce": "0x904766697febb1db9b2e0d69e4dadfb0f569caff95d5fef521fd2f1495e058bc",
    "signature": "0x455ac3d0c52a339edbdc105e59829c789f6ba6f6a1b240f2a60bff66986a603d161fd0389cf45de988ed0d4ac3268b5ce44840a3acc1df2e9279585eaa4431dc1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}