{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x07007034f76cb9a743dce59924842db6b5231ff2e34e7d6e2b2c8159596d0f54",
    "signature": "0x0eb79e20b6bb2530feceae8855893fa40eb0a2a755384aab8d784a1c32b9927f0fb2a956ed4591e33b0888e6e5cdd927c595ef0c4a75952297bd9ec18f2f8b0d1c",
    "signer": "0x07d82F5c5532d460FD996F668Ba8B36089bdCcf8",
    "userId": "951271865"
  }
}