{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2368",
    "entityType": "User",
    "nonce": "0x344c20227399a4750dfdf3d84f5b3a6b4f79e13e858f9f3e7b30c539c54265db",
    "signature": "0xb7e7c1bb5336ebbd8ecb258f0000552b8ba20c447a398276325f9ac7ff8fd8af13e32f14d8e4584260f44794e8402d9400603af7d1df3cfd17f5066319072b2d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}