{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638885845",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x542bb267c927448a88c2fd7bfcdb0958ec80ec829ca3afde688f3796336860aa",
    "signature": "0x6f812a69e2b9d62d153a1313b9e94a1432c44566a9e3153f8e664229021a72d30ad2ba846530232270b41e61aed5db2bb3fb8dd6ea482403fd3047ce9ca1b0511b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}