{
  "manageEntity": {
    "action": "Repost",
    "entityId": "555788888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1f91935dff9671348b7f7188e384186ef094eaf07c61d4c66ba00ae0967812cb",
    "signature": "0x9ebd0fce1ca8edeac9b1b1f842859cfcab45597cd83340e3f0e97f53ca28bdf62063ea39186b7a24496815134a8cc0fa5e783306a19a5182f2355afd1cb4e6df1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}