{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xb191863867eb369bf5983665f57813cf8ccfc9450538ad4dc0613d8e33bc2139",
    "signature": "0x2c31b4998db77d3528a731c2c661e9876a9cd991a6cb26e8a849e0aa5ceb68d11df21ef63078dbacf13bfb110539c385a3efc208cba3d5a574e3429b3f0dfc6b1b",
    "signer": "0x5e5043f3Ee55b18e304cf2DDF8bc48C94131EBF6",
    "userId": "657680260"
  }
}