{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x98404be457ca9f0cf20f1d66638bdc1f46a78492c6aaa76877c1d71cfe169372",
    "signature": "0xbc2aaa2a004228042322782c75c935ab8a0d691c2d9d4356516362b38c61269c21cf7bee5536720698b629576666d31c06ab88f041f28eadd8b537cf2ff675191c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}