{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44577",
    "entityType": "User",
    "nonce": "0xcc96308a7186a214fd32d90579b83affe5db790cc301d52ab3d478aa17782ce3",
    "signature": "0xd4d8726c29b53477e6f98370f72161f72229fe8ba76464795665347a2b3461bd78cec962524bf682dcadc0a83e980d5536303145972ff854281ab512560792a21c",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}