{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "618242981",
    "entityType": "User",
    "nonce": "0x2a4c05fd73b08b64b5b31ca14e310b5e562401529711f84883814ce20b7f8355",
    "signature": "0x702e94c7f0d5b90a70cc0b8d821ab68233a4eaa51147f594e10480f5adf5d57638405c42372a0bc7d05816bc2f22f81b38a251111a34f373d8df2689a474d0171c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}