{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1538402470",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12e8763e17cf41958876d264178cf2f0cad34a2e0cd5df1f115c2c54c927846f",
    "signature": "0x6d96f8fdf8b977b574e9421cd7929183637df7246405cc33ba2ecf73170b33376f8383c78f9e2acf40bfc465a4fe8545cd0e726848ac7e5dfd4922a8a2ace4541c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}