{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x5d148a7a3cd9db95d3bbb1b80d1e24ca7d9eac81fe4067d4f88baa8e3bfd806c",
    "signature": "0x23464430372fdf97c8e34caa0d450032525d6d3dea96dd7bdcd8b60b27e25c29108b5cf834726d7407100a68284c589a836314b334c8257f0ef7208d0e16ec371b",
    "signer": "0xC3e337F140B5763dDffec24D1A410A04080A57Ff",
    "userId": "201554951"
  }
}