{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574199",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4748f5ff28aa7f107d96898f5789007c4b8a3a558fbe9ab565abf63494f2140",
    "signature": "0xf943f9a45c95c4cda8333ab0bc83478f581c7c68cf368778251373b3771115d913f647dfbf72107f78fb5edf6cb2bbcf1c30dbb0ad34e20cceb36947af3dea2a1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}