{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757389109",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c9cdaa9dc65e41a2cb4b6cf04bfc46a0e4e8d97435327699a82cf28ec17035f",
    "signature": "0xa0ada72db9530832f2cb543932d899891a81b0d4ebdb126b5433af637d7fe96d4805f236143b9d51884c9df1b4243367e41aa7e8e8cd621cc411e630a10729bf1c",
    "signer": "0xE0EaB915C3153F4a2DF5C6e7b8D58dAc829Fbf2f",
    "userId": "774741623"
  }
}