{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "724631",
    "entityType": "User",
    "nonce": "0x69f4553f78f22d5347d1deeb3fe02247b517f494bea150cb5b117337977fccfe",
    "signature": "0x2bf08db508ce2d6c6200a3d44871817bd44819b39eff4582e138a4335d4f45833180434b452cefb7c1d17b7f9c726b2d721cd8bad076ff00a6285a94ee958b0d1c",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}