{
  "manageEntity": {
    "action": "Repost",
    "entityId": "290172",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0ca93ab39aaca82889c1ada4c13ffabc4603f7ca4eeb3f2aa0d8a5de75252791",
    "signature": "0xed0dcd66246a884300af05a816dd583cf30af6678142849fd06567c4a2372a2d36d3363750137ded3cc9574967a24a91101f094646d4e0ca06f768be3391eee41c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}