{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1278900455",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3cc71f0ae8bb410db8dc7ab95b42430b720be33ec130a8aa3025c2e73a1dd78e",
    "signature": "0x380027c0c1eabb19bdde6adb86e68be2dd57a04423e09aa2aa49ab1d1ca51dab27b62f796fc7612d745b63552e27a47e46e140b7c003a7d5aea311cab5ece1c11b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}