{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521391613",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x668235df239de3635d66e358188a317a81a50840d906cc2a737653404e874576",
    "signature": "0xbd29a53fd3dd275163f882711bfb8c74fccd38be217d68bb11b7e1ef51eb633364e4d6039be724d28a81d228952e7d480ba4cfb8d944362b19020072208a03ad1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}