{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621509",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0be29a633315eb729cdb019d171c378aff9c7d64fb5dcb6639a8d3b1f8011f52",
    "signature": "0x76f4653acde5335136e577f0400a9233f24e6f2e6718fd38ac84cfe39ff5684b382722925c5d4593418994fe0b21048653186d026093a99b50630c5dccccd0501b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}