{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1238464543",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3b8ad1d08c9041be87c4a18be66140e2c9ad7f07e5396352ea964700309a6cc4",
    "signature": "0xf9cc3937a863fa8fe4f1bea7e12315aed7c2340822e92fdecee26ccbfb4025fe30c1f98c9d6ade8457ae36faac1f23fbb243d1322d5a3613b8ab896e3a9b5d5f1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}