{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x91d4fe78fdcf4360909e5575d499b287479889fde1db3aeb11177e7497c2deea",
    "signature": "0x7425dfd457607b8d2f3d8ff02dbb4a85563c1a1460babb36de9df45933119da3216f2b3b527b95b92a93882f39e64afe9c71d88701f46ba42d4f75f69d6d6cb31b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}