{
  "manageEntity": {
    "action": "Repost",
    "entityId": "490903268",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1a1ca9a77493b0e1e741baa98fa9d0327e6a9303f38d9d3cfca20557e70af6c",
    "signature": "0x775299d3c88622d7b805a3646aaee4df17403f5e3dc5fdba778ad24c8c287f802316297422f38bd7fdb5879002de69c0172b8ca239a239b3fc6a47340d23ac9e1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}