{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21014461",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x564e9709162be6f73face1f224c96ed0c7b8cd2c5ba1e03ccf4ae52feea8d422",
    "signature": "0x09c474ad95503e9c28c95e6f44438a011dd478a1ef51e4a9fd1fdb555b9629c318f002d5429aca69240e23cc23c90c0ea491b1cd797e35ab9d58995eebd608fd1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}