{
  "manageEntity": {
    "action": "Repost",
    "entityId": "673123064",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa28a85f4b66ed6542a33aca3832dffc4a9c13e09d625a70f24b201dfd6e7abc8",
    "signature": "0xc01581bf649f4f5f71b565310f294e383979a0f3f22a1b6a943ad2f05678701a6976a00a9634bc0ff5f05679904420d1ef0dec1dc0142dd49b9b71ee37566e991b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}