{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43528",
    "entityType": "User",
    "nonce": "0x0bafa2bc2a3b6316d0f6ff6f3cc92433c8c44058e937c19bda6d5528176b24a8",
    "signature": "0x0399477ca8ae939819ab0f1ca8ec536e459783b27f6b67f83340492d3cb742841f057adc5f16f122adad93e501b01fd0a8bae937275a89879dcf1c434d8b3ad51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}