{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489609",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2856b578c74230ba47f8df215b8fdbe77251de2653b739fd3bac04569ecf1534",
    "signature": "0x115d0da276c7e55f0cea274b4a8dace4de1f462b2c3c0729cd59090ea2c7eaf10546ae9942ee8245a1d67dc81acf7a7b2efbf074a39370f6ee8b5a9e5ce8756b1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}