{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x559692396605f66a584518ab6ff90e31a4d4cbeb71de0aa518f4223ddc0f16f4",
    "signature": "0xcf43c579fb4efe91064ba60df9aa16091f6a791183dc21094d161541b32563b77f8efd52b998abd0a00a0edd83c87494128f746d3e38bd31033045337d86b7461b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}