{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519878461",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd88d985b5963d81c33ca031a94b963b18f3d7673eac56c8edf7350516b8abcec",
    "signature": "0x501235e8f2032f9a21fec9fbee8a1adeefb85973bcb62c1c4ebeb9fecd5760ed568c24c13e1628a81d9d7b70882c199588be7e4ac3aabcaf515b9b4bd209fa9a1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}