{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1599614284",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2661bd1045ef3a45705ebb35d56ee1eaa79f43553365c69e4f897d0dfed18ea1",
    "signature": "0x45d7bd5fbba65dfefc82606577048e12cf77a6a8200b4560c12bcb77540d10095a1c69b9fe195ba671267c93a5384e290a6efc4d6fa0d61fe9ce5557511ee37f1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}