{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640259763",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x97a5be79f2bef0897dee9dfc715d32a28e40cf8c202373e0def1b57b0b65c4f4",
    "signature": "0xfc4b6fa173de6863b54fa3a86decef85bb2dfc5330b526a58db7eefade073cf40c56be68eaf8a43163657487ff891083202cc7bab2fc055f95b7d7d675bdafad1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}