{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x32f65716b62efba3ff3a467f4c52646a9f305a77a1d54a609f2b7259dfb8ee95",
    "signature": "0x6c69d6729e09f29a8a8c629824e4f6f2798324fd5455046c4c614fcab5139ee85552a7f9716151347ddd1a15782ec0afee9b60ae26585855a21a6d411aae31681b",
    "signer": "0xe4094b5dB0BEBa5eDB0d4D81c5D86377bA5E8f72",
    "userId": "563905866"
  }
}