{
  "manageEntity": {
    "action": "Repost",
    "entityId": "450190671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc31fc2885c9c4ad05ab7e375fe5d90a11aca83614287135cf20cd024696571e5",
    "signature": "0xc15f3ed4345f6383d6c95d12043987f2271574dccfd1c5c5c5170385c659b98972520fcf61cead07c86b4951a29e2d36dcd13ad299327e44dc654efce2eaadc51b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}