{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1458771321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f24babfdc067d8686272aec25cc6d685ca9ebacdc3c86c11bb43317e30f0def",
    "signature": "0x547e7771244adcf0eaba588cdb7ea5197fbe7f5dbd6013d59e84dc22c462746264f374e4dcc880f733e418031409073870a149bfaf24b0e3673ec9adf4c78efa1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}