{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329101",
    "entityType": "User",
    "nonce": "0x426a3d9f48c2fd3f4ce0684b8469b58a97d96b4ef8e4b6b949ed4db1b13357de",
    "signature": "0x03d6de608bd5788f2bd18b6a8b8e3937fed9814814774a3d08bb336df79704491012d33f99b34110b7547217abdde1cce3edb805f696cb84129f17006ff770a61c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}