{
  "manageEntity": {
    "action": "Create",
    "entityId": "1780948768",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"FanClub\",\"body\":\"Notification test!\",\"entity_id\":693608897,\"is_members_only\":true}}",
    "nonce": "0x2991c14b059e38264733b96108769e5e76c47b537bc4009177efa31ef1cf9af6",
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    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "693608897"
  }
}