{
  "manageEntity": {
    "action": "Repost",
    "entityId": "474437",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1303a3b4d4eef9a5b0b3d9437f6a2f3b40019a0da28e2409c35018a8f34b688f",
    "signature": "0xa81637808a36d2e2789e976eb6d32177b56597deeced699ee41c98b41fcff81c520b6e8fa928dd0b01fba3701aba774d0018226ec7a7414f32f6bcc681e2ecc91b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}