{
  "manageEntity": {
    "action": "Repost",
    "entityId": "637981",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdaee07f716bd814136d2492f7ef00dd03a0361ddfe42b25d04111365e3dd837d",
    "signature": "0x7b295c6fdd1fc32b396b9056e253dc87fc9007ee8a0147947038f098eb8cda486ca38d4f5fa5d57620cc496e4ba3de5a43d6c0a8a18beb2b3bb325e7ce1e1ccf1c",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}