{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x0f88a0ce1b4a0952ff7939c51a68a0b0480b9ea745c48c27541a265df22e6fd8",
    "signature": "0x8bb9aa51a3109379557eabb45093a6f43cb7a8f5c67ac67adb5375b7eebbb7de4a6d20b2d2361052a4353ae1ff2fafca7392d95988c674b478ad2d123013592c1b",
    "signer": "0x90e2e27C11728416f09565a801be97fd229FA836",
    "userId": "763531609"
  }
}