{
  "manageEntity": {
    "action": "Repost",
    "entityId": "661473454",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5fb3a9f86c9e6fa9e2b106f214b3ab08c0f75201aedffbfac56062b47006181e",
    "signature": "0x5da09cb832c8f3d6801e5ab82b05d7c73134ed7ef195d3923797ba48b2b451505723780eda24ff46db98ef188cb6ed07a861e5b95045bc9749f1c8ca9475fdea1c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}