{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0x1dc889200d2e53c64bf17f7fdeee70363c8b8ddf41b9df9a5b88e9fdee62fb9b",
    "signature": "0x12e5610655b4a611602fe17641c2a205b15bb51a8814f0d8e67bac7d792f6b243f54ed7d9fe0b70458f5318a21c8b7ecdc43e4ee03f6c9bb11c3934ac28bcc041b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}