{
  "manageEntity": {
    "action": "Update",
    "entityId": "87057210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd2049b286938ebb15e5c0d893f9654790d0bc4f3f5fd1c68517330a5eed876f0",
    "signature": "0x998ebef7053f6268d078dee6cc88df5d961059c55d1facfff2802fd71c4d7833537bbf14711259381a1a2cd3b375499b91ea719d6e27cee3abfbfedbbac365281c",
    "signer": "0xa53b93A102988fa29b683eB73e428dF91bC78cf9",
    "userId": "87057210"
  }
}