{
  "manageEntity": {
    "action": "Repost",
    "entityId": "343458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23b8da56270ccd09ae4f3c3f64f54e521b71ea828f272026fb01895aaafbf107",
    "signature": "0x4bfbd86ccfbbda03c9bb9c94ecaea75dcf2b4408712df80ccf11d5fd4737c8b009fc51aeb517b34b0dcf0e25247ee469f9c91a095c07fb659e30a5766ed637a71c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}