{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1553377915",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa42b16b1a26e122189efca6f4d42153d60ec347664761c5c8fab4e488a193903",
    "signature": "0xa463826999f7568249998fb7deb1c96b5f845e851fa181b84b63fba85dedbf3a43228950de0868b51384ebba4bc8dc37eaee110307a8c3e2504f31d3c07cd1891c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}