{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1087",
    "entityType": "User",
    "nonce": "0x464c08bac49bf59677820f1568c352e959638bd2afd1d341c90c3affe7933a30",
    "signature": "0xc92d1f3f42c65e69ee1aaf1f6f3534f0149b9afb2958630bca4f0f592ccf67bb15f34e94762a26d330f1f9bc9fbc08c5f74d6cb74f4edc259f37e423c1c76e8f1c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}