{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc576203176c31a2aface4ff3df95fb225ee1a070a029e14e1163a0656747defe",
    "signature": "0xffeb3d802dca261ff8378d6a564a2da20ab22c3064673f938367714007d9fc057c0b8ecb93375297399dd2bdf14b01294922337aa978476778cafcd5c9d6942a1c",
    "signer": "0x3bAe7FBBDF8d827cA57cA83ea8B4D01E688B6100",
    "userId": "931211750"
  }
}