{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6e7ec7fafbb070ae1ffa29e411c1aa3f45e545cbf19cb4917dd4023e4ee5335f",
    "signature": "0xa0d66d7b1109ca5113f635991bcf14f9262270239ff056417311f5d8dbdf1c9422cff095092dc2f79f49f3193da476cdc5cf0b18875bb0a00465247b81eeb5501c",
    "signer": "0xCb373efe729752790D29ba2562b43E8C2baa837C",
    "userId": "2051221"
  }
}