{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1398751613",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x19f88fa2a802f60c2c6633f83165aadb758191c96fba06d083b7de522d7be784",
    "signature": "0x5e36d6fe1e423be7f3d0b869cf9e480f1ea1888bd16cd47b6e286785ce41bd077492fb665f89448585b5501df20b5ee12c3370d2d1c653f691d0c256c89628331b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}