{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0x64324691d64d81b35319d978c1b92ece53f893351b0377527c3c787d99a0af7d",
    "signature": "0xbedb2dbea53ff7a53122f810e443b6b00c53640b3b45fbe534c67e08334fea252348df7d1081c20b5b50802ae37e9a7446e39e1a19b810e70f44b2faf22eae761c",
    "signer": "0x0446A55de9d9bf71F01f9baCDD9D428bb57164aA",
    "userId": "328601945"
  }
}