{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13957",
    "entityType": "User",
    "nonce": "0xd84c4857625b600a193525ec2f30d45bb89ddb60cb80e2f1c8166a4d07108dc0",
    "signature": "0x6ca6b82ab602ddb62e82a35c30cc726e966a017a984f967e0293956757f22e634afcaca989bb3cc33e9a77ef5149e6bd127b96db159ff297b37529d6e02abea31b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}