{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80359",
    "entityType": "User",
    "nonce": "0x387212ed3705dc78672f80f0a1c4f42870a55b3aa3287e80e226542acbbebfa4",
    "signature": "0xd3091e486ce0cbe1cff4013c30629019ae73eeef7e1834c94fe3b229a6744df01e8ef2faf43a9c73e24ebad3aa25dfcdb42143c742f2d5b199a8bf9b59ebaab41b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}