{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21731",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd533dbea7839c4d9f0591c1649861d8d81c58a7a3258a247639e6b1cc93fe193",
    "signature": "0xe1ccab5cdeb1037e99608306fd0b46438bb2145949a6fb70b898847a8484589919bc1cdf4d18503202f1b8b53aba056a2ffb4ee023f7f8c4750e08354abfe47d1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}