{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1289657678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xabbcf05a3ee4192975df3a97f25940ddac1c8488de20150635c367a92c0c45e1",
    "signature": "0x28f596292c02c5515166b774d15bc528bfa27052b5930c4b0167b164ac364bd53514e6a965cff7e8bb52eeb83d83fea859046846e38ff1d49a39da3fd12ad2451c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}