{
  "manageEntity": {
    "action": "Repost",
    "entityId": "745559",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xadf75215ed250f7c87ab426d41ab6f11a3554013e8c621f33ca6b90a0ae07c3a",
    "signature": "0x9a06caf92167293c25bd6cf0cc912894f2328f6efc63372bab1b119d3cf83abd33b5130372ef2f26007abb4e2880d70eed2ae90fcf024572d108852efa0e2abd1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}