{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621508",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc99b1a038d591445457de282a316195614c7660df767234d5f3282105141785",
    "signature": "0xda6863a83e975e611d53c31385f7f9b49565cf643bded434325134ed56c4832c0a1d485934eb2a0db35d159dafd68128b17de33a8336eee4ee577f290691fa981b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}