{
  "manageEntity": {
    "action": "Repost",
    "entityId": "864234321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x756fa7b77b23b64ea3c23fe3267744d7dbec33ddf03d292a113b2d3264c7e590",
    "signature": "0x72e1bad8fdc0d3dabb4c605442a138207e11069919c070fcd8f851e010873e2f282884490233c0c6804544adc661f117c0ffcc7a820ef4e4c7ee29a7a2a5da1f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}