{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666140",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x84fd46c4534d72baf15598a43d64b6af2319db4567eed08bee68fcd187265407",
    "signature": "0xf20bc523bc0ac25c2cb83c4e66f5699e863b9e81d153b4f4d8ac8c429903f1884c11b96d0c89221f366e9441daef16980a559691a424109784490440418c119c1c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}