{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0x325edaa4996d0563113f3896606bbebc64ff13f6e7061b90f9cdf90c996027cb",
    "signature": "0xa40aebff4742e4bb16cb38389c3b6cd535879c9a7b72b2a298795ff928749afc556869ab95f59e9f4ba7c6f4a0419ee2ea43df94cc1a001ee1778d28d5409de41b",
    "signer": "0x71114Ff581aA73d1F4b6429D7713914f10e8e90B",
    "userId": "894513731"
  }
}