{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "422886157",
    "entityType": "User",
    "nonce": "0xc643c02cc873e3f35174e4050ea1bd2bf486919031585c649ec3df19b8247c67",
    "signature": "0x0adcb114ffd85a7a80c320f0bb48c6d970b363fc15a3628b07d2457e6e27ebdb05f28d1addfcefea81c2dafe5fa058cd014814d7cbe3b5f5b595230d926745fe1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}