{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490168786",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x92ed378befb3d7972523c52053c48961a560c8fbc54896f2d9bfdc3ad4137dc4",
    "signature": "0xcf575b7c9946cecb66877b47bbf3c940b1b9175b7af0a63af3f90b4393643a700a83b67dc00453f48e6839e6e4951fbf728f9c5daa79872e452b119d21f55a511c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}