{
  "manageEntity": {
    "action": "Repost",
    "entityId": "498844405",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe1c87d76cf1884ad23dcd5eef8bf47d6f7cfbaffc647fecbb368f48bc579a4fb",
    "signature": "0xded4a29b612bc824e997eb49b05e7d38fa68510ebda6c0ee8dfa7e57dda7e5004b9881a11cc51b2fbb7d47824a8ee0c19824af575f7330e29c0b8d22dd9a751f1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}