{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x980df822d104af833d06e23807f4f060f0aec951a8d90704694ed1214c6a2bfd",
    "signature": "0xe3a872901d2aaad4d2550b1b615779ab28ed66f108ebe9c799595eea97f102b10b2b64be8a8310257cbc948164c3622220a4e5204993464ebea3b8307ee6706a1c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}