{
  "manageEntity": {
    "action": "Repost",
    "entityId": "129514976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x55cb9b58cbe6772ab1137a0b2f68b24a43eceb49683d1a0504b88b1b603273e5",
    "signature": "0x6e8e978e2f8fcb8d2237b953d998a7a7e7bd1de92b32b3bc3ec7f3eb01adb2477afa925ca640f4745e77d8da3cfdffff0b9273380a4b2bf319740e2f6ad228de1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}