{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x64d54a70688f41de4a67ab69a30e3f3d1d5692b731f2c0bbc0aadff26c114b99",
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    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}