{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0xf8277ada682d1fe7d2c83b32c3031dc84de99c9fbc6f80bbe632ae8c30505cd4",
    "signature": "0xf2c5201bf5f1e21339cecdd6e1324b7a899d5f1921b52657415b3f94e2cfffd62942fec4728984db49c79cc6166271993034733fca84ae313dc465994d4a27651c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}