{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16251128",
    "entityType": "User",
    "nonce": "0x6ca99f562c4a1c77fba30d9dba5409e590b8c76f47aed2592a351abc1a9d0869",
    "signature": "0x5504eed0b84d547912ea3bc3b99d82abdd47c1a493fabcd98e0e94c2c9a253a76dcdf20059c6b8693481c38669716270e423ee8e8c7015069801a0b61c7b58991b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}