{
  "manageEntity": {
    "action": "Create",
    "entityId": "771436137",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"FanClub\",\"body\":\"I'm currently working on new downloadable music. I'd like to create a categorized playlist where many people can find background music they like for their projects. They shouldn't have to solve this problem with expensive solutions or purchases. I want everyone to have fun!\",\"entity_id\":253360517,\"is_members_only\":false}}",
    "nonce": "0x28724954f111d8f3cc5f7e42a9e35ecb8e24a3824cbf2e5f5ad072230e62cd64",
    "signature": "0x3be6af618e77206069c0d578ebdaa57485f4a4ab17da88ea40306bd58ed6ac995673ab00fa4976ab060c81a49b84d0f1edce7e827b09fbf8003a099fefa63be71b",
    "signer": "0x15603D478D9A230d0B82A37b716ED8C194DE4daD",
    "userId": "253360517"
  }
}