{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1449883402",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4496fedfd03e33928d5d51ed5717c361dea61a0449f29a1d05a300e4341e97dc",
    "signature": "0x16ce98fb1ca41c5f4908f26ef7684824ba9c4878e44ad7c85438ef8a7ac244e9665631eb97d4bc5b7e0e4568905f274d0e7d9d46105737ef58f57f315237a7a71b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}