{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521391613",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x092cdd9d496fc5778b014cb50327a819edfbc42992f4979654ec0b09f6618c26",
    "signature": "0xa5e6fbdb92e0c98ec684437411052dab233b383cd64ea1356101475316dc9751057d7163b322fa8622078daceaa26dc4caee37828e2996706e949ada6eb7b69c1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}