{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317707",
    "entityType": "User",
    "nonce": "0x2a5c8ceecba24128c4694b64e393ec0754d7f8495a84c39587c5f5b3d0280733",
    "signature": "0x3c6a7381877f0f50334361900a5860e6c3c7f93862e47f0c397963e76eec8b4f58d4c7e5968aaaaaf30265d3055c66fc24a2701344ca80abd51470d39ad407a21c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}