{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224685891",
    "entityType": "User",
    "nonce": "0xc1a8a3e30a38d44d9b43d22ecc9cedddd3ab3d90be7882abe08d5a0eb1c24c66",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}