{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159460377",
    "entityType": "User",
    "nonce": "0x80bccbe60975989fcb095122bc18fe87c1ec15bbca5eef671dff912dbca7206c",
    "signature": "0x423295c6451537d8f6d48616bd2d38ec005629fea8bbd63f1bbae44d195f1ee439901604b19d8898f55d459f439e7110a2e1d15c98e85582e80849787e1db4131c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}