{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x0c586a22b7284d5f232affe1c1a8d3b6a90ec42d0a8b54f3f6ee9045c53dc238",
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    "signer": "0x9837C03EAdfA74365Cdf4e01e6840D356104bFab",
    "userId": "911622928"
  }
}