{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0xd442322c689c21214bd7b6279173d429dda16c8fff23857cfcfe4c1354d79af3",
    "signature": "0x6258b38303343ea3616389c76c4f88583b4746bb13d8188bb9128fdace2530dd14bcda150abf30267295e04e4041eb3b9cd4210f8d441fe46b0a1063fef7b0cc1b",
    "signer": "0x8E3A4E1A0d1Aa7628E0FDbc872062F921A449403",
    "userId": "552753858"
  }
}