{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x2be98ddcffd39ee4e3279855e3ee290c4d302aedfc711da6432ac4f8610bca62",
    "signature": "0xa34142f295b5c0bd91442f39f6d4ddbb46d621fa700963582a63f4453d0fcfa6149b2ce2fc346df30c1a00bb85f7c85d1c22a087d9afa9ae7f2026c67bf35fce1c",
    "signer": "0xA275FC4b348bb52c6151d85085fFf93aA54CdDcD",
    "userId": "686828992"
  }
}