{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228434",
    "entityType": "User",
    "nonce": "0x3ae615d1da69957037047363a3580ee48b8885f0e540e041275dacd8ea0aaaa4",
    "signature": "0x8a70b2b763928bbfe020ce7c39e948c05268b42146dbcde03c6415e025898bd869015d7582d3294abed72ca096b0a367bafe4a14a4ebe34e7ded8f005f72f9681c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}