{
  "manageEntity": {
    "action": "Repost",
    "entityId": "537854",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x016e134582075c4dfccbdaee02bdb7f3e6d4dd2fc2e4e219265a1826488f3f25",
    "signature": "0xc9c3acfebb15ec48fd65bbf7835f36cac35334015cf724bd614839d34c4fa9272d08ee7cf88bc661fa3b7474c81ce75a1a761d884834cbcf28d8a7a31fe72fe01b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}