{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1490519874",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8cf891fa4eb64392c771886b2f559b5016ca331e642a54ea401b7989e62adab8",
    "signature": "0x80a2c4ef5e827bb85362ccc8fddf6c4577e65a7fb5c8b2fb1f0796c14161dae932f9bfc974228560aef92377110e50e7ce1f21e4e78d84c30fe8d25fcebe9ab01c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}