{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x8a015f4794164206cc81deba56d4aaf76c2e62d0fb8c40164e6eb3588cb16db3",
    "signature": "0x1df61ffc48c78cc3340b99532d3b69b022bf2f6d332fd114096c24eb085e94654630305c3dfedfdd3ee9868267087d1ea8a4b9e91dfc66715a4d691cc0e4da211b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}