{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573908821",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4aae1535e5504b20884435ca33709b75642f74329d96487800da19534dd685cf",
    "signature": "0x88edb39041f379639f0c197608fa87cec73cf339d6f4c79e765b0378d75821673d9ed9028b0a53ae10d54b7855f301c7d66810c274fa4a73221745fa11f3d2bf1c",
    "signer": "0x4B8960b62360073E2472A74bfbd80138387fE211",
    "userId": "86339"
  }
}