{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490519874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa09a6dd082bfaeb2305cac5bc4fd7b9330febbad6fe9c0d07c8635e9399d4104",
    "signature": "0x998b274bd78efabbd437d9a2f51ef473bfb52ac82bd2cfed1fb850d672dbf7f472667b6877838b662398bb52345cbd496623919c795709d5f561551c3cae1a691b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}