{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x41d572dd9f4421f2165960f519dfe9ff715b359d439aab5942110257d6d83881",
    "signature": "0x13323656259c2cb7965e8a31a591bdbbc0c3abfe2ff2ea9586a4ac03c2f79434668c857229731e739133141fa2c7de081ce7a395667662baff9d8a91092bde001b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}