{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232618",
    "entityType": "User",
    "nonce": "0x6e210aebcacfd66d3203ba012428b8d2abd6472e8231f36c344df091b904e88b",
    "signature": "0x0c8436a3e044bb675b345d29de5dad55dca941615594bd704262a96e9c7fe6bc4bb7596c119d5355309785c797b43fca6aa0bcbf2536c5ce6bdf7c84308931981c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}