{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48250",
    "entityType": "User",
    "nonce": "0x7c41632851da32bc23be512882b4cb295a65475dcfc0d45508737d748ed29e8c",
    "signature": "0xcaf48dbb11999d21b1e7d4e1a5e5c9d2b8b52d6c1b36f0a4ef9cd89619189d0e7080ae7dd6be6cb5f7872afeba0b02172912acdb6a1b48134e33615f654dbc6a1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}