{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1478351660",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd0e58c6c7df68b6408f95cfabed6da8ca151612f887a2a61aae07723f617e264",
    "signature": "0x684397be5777cabcdfe4e1d79e07129ea1d28bfc10dd7461509264aedb5653c815151072ebf84cb796afacf3e1d3b1aba75ad210c3974c538e63d3455835b23f1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}