{
  "manageEntity": {
    "action": "Repost",
    "entityId": "538729427",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x627d755a6d9a58f106850ef39ffcef8829aa2555a70e2527e76538668e0f2f09",
    "signature": "0x500bb72110c2a16741250f309d0cf93da485c2c90625fc85939a4e0b3237b2cb7572d9eaadc366a376a8035787998c255033d9c0aa3a87b99b4ce0285c03b2731b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}