{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1543537534",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcc4889e6b45e9efe8cf470d4e43e3f7d0053c9c154119ecb79afd1ba3847c900",
    "signature": "0x05c5436704ed911de8a35642344289b467a6213ef6443a3561d0cfac75ac7ce40a77f269fb829f2afb1f879cb13c70d0dfcd26fed51dd614b50ec83e14d7da411c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}