{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121328",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfd16f50b28a2ac8b8efb5174fb4badc9f426ed1331b4ae5199ea305bfcd31efe",
    "signature": "0x51cf5498cecb408107e92633c79ccf130efdc86dbaef1436c9b4f696afaba7940a649906c9fce7e28f6ee242de1580851b24eb00ba3d8b94b67316f883f4edfd1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}