{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xad6cd9446bd02faab9ea867938d45b1bf9021472126710e33f6bb762a96896d5",
    "signature": "0xfab7c21b3e1e33f970894b0ae22cbc4158e94b20eb50a00e72e313ab6d4d66b9234742a7caa702c1708cb45a4bac5f172e92aa0829dfc53eb691bcc432ed95261c",
    "signer": "0x6b03165f2d203C95d68D4580ec59422eAC50a6D9",
    "userId": "306521653"
  }
}