{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499441481",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc921ca05984bd865576515526a57da772d450cdfc5066189a6182200bddf179",
    "signature": "0x04b57a3edd2e11a7919fb7d5493512bba91fb7b7116fb60607224e9ed059c93e4bf3b251d7af8d94f90bd2181fea2ed8096bc5314c63142803b3c141f26998831b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}