{
  "manageEntity": {
    "action": "Repost",
    "entityId": "764795818",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xafd6c0561b6cfb0036cc8948269101c92ecfd759ee9cc21875cc84eef0b2fb57",
    "signature": "0x4045cf7002f26a5a42596ddc227673b6968bff87575d70aacfde1879fb1e98cc4d6e152d504b28a5f5be8c4469cf3a48b304ad98292afc81b9d7e9ab6fe5d8941b",
    "signer": "0x7848c1438a663A70aF2A2B1e61f7A9229dcc818e",
    "userId": "490080902"
  }
}