{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1491597591",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbae4d64a318928a21b215ad05efca58da5df30891020849c4a4c40bcc29e92bb",
    "signature": "0xd709d09cc8f6e41c70e9d9b923b0867004333ca478cfb81ee2e3b8bd6e526b971a5d65c5a0026028e23ce1617049f44fc3ed5aef9ad867cc7a1303c7eda8a1331c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}