{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83851",
    "entityType": "User",
    "nonce": "0xd9a73373091c8a66d87713d68edd771c349b268e4e5d4ee3e4a4672415ee63d1",
    "signature": "0xbd27dd5ce7c69e774f7a2809b72a04c1e9aa21b352e79b294a987732f6cdc0ab1391751b6d2ac417b0c797d3273cae216a695e159c86ff7d9d48a21949c7b4f01b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}