{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448629",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6b2a080f700de9e50c90ad91dfa72b4d1960a6982de628bea0e82c7053018b52",
    "signature": "0xed697d20d80a6fcfa9bbb041709c4c94aa2a9dcf6dd7f7188108e3b424711ff869a6f1e139f2fd627dca47711871da02e824f53786f50c562fe9c3c9f60235a61c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}