{
  "manageEntity": {
    "action": "Repost",
    "entityId": "257949469",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2c704782237564390d1de1ee125d4f1788ebd8cbc4a9106bd13ff74ab8cb98b2",
    "signature": "0xa48b3e76a7f2d9c2cec6056ae639b4816af164d2118773e30672931b70127bb715eaf8fa213e3136725c04520b237b131fb3d7048752a6174ca3afff34262d4d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}