{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666137",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd210c84e4f5da7b4f6c6b2abba8f52699fabf54ac72ef6aea5aa1c6a000fc76f",
    "signature": "0x286ec3e7d2e680f9b39044c8f0d80dab07594b8c4f7111f8d3fd92ada3cf94d764fd72a7059b1c23d80036bcfb694df0edba9637a2fff8fae62c735572c25b8c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}