{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123868",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd183f97ca3dc5835b19060a0ec44c0ab66275b139ab64adca5c4ac7f0584c16a",
    "signature": "0x5258b5cbb698ed863f06342597996d5f8c429fe486440cbb9bddd2c5d514768574386c01c59a70ee444d9811146f9f60401408fc67e26bb84e465049d3cdf2781b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}