{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428484941",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x154c3a60db35781da030790dcb690d348e8c9c1d4ea4a42975a1981007623c95",
    "signature": "0xd9b0f6efb4af7696615c4c075b68fca644a97a75bfb9ef71c7a4c7014ebef2286e53c69a477df3be76c6afce784cd3397e0b01e88a91724c7b4877d02e355daa1b",
    "signer": "0x4A3D09CdfD42dE4C57dc67B09a40B5d9172bD69f",
    "userId": "787102835"
  }
}