{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449222",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xed99b53feefd071b15fa9c32ee5eeded45643e9809c7ac259805e26eacba9e1b",
    "signature": "0x6d499d7441e6b641b0d88e2238eb2791dc623a423a6f0e4a4bb5ba9581a9bfe12f71541efa4fef55fe03b4f4463064b6130f0ee3a96b579b5a72fc47115be3e11b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}