{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353157",
    "entityType": "User",
    "nonce": "0x59e5e1fbcaee0c0a734161b7a49d0c6d7dc1419f6e70d0b85d6ab4216343d391",
    "signature": "0x7dbc8dbbf4661afbf0fe02d1178933ab61642089012a989a4dfbd61153481a960c1ba259ad18a2649c6a58fc7453ebd9f4ad732ee53018515335fb6cf99be81a1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}