{
  "manageEntity": {
    "action": "Repost",
    "entityId": "758689129",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9f170feca3bf28bc2a4ddfe2bacd26f7485ba9e69683ed6e01382047f4e340cb",
    "signature": "0x756ec71cd6483b2b3a8e706c7702b134cf651423fcc3a1dcdd5561b6b213c1ab31211905acc8d92ea75fdc0623442cca92efeb4e2e0c389463a3f94977bbba461c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}