{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666461773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0f756ec8520c8339c8fd7d9dc9571fb7c857385b50b758651a07bacd42602e86",
    "signature": "0xe9ac7e5502b25a04ff31fef0921e238b5edbf1bb7145d2faa8b7eb94c2d942bf3c20f6f637dddad47a7514eb77f3b3c29698e9b612a6ad9aeaf924269543e4101c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}