{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1223640246",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb318ec9ee815a7dfa01b92150a2be4f9dd535d3cefed1a09a377acdd72a96ce2",
    "signature": "0x7cba41c9131bf5d2cb06a384c51bbbd1091cedf942ef1cdb0266172211cf368f051d720a01353c497432713b160342a80a286364707fc265d93359f5bff5da381c",
    "signer": "0x44Fe9338D9d1405927C73FDA0be0F36ae481Cd39",
    "userId": "983568397"
  }
}