{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x25b6f2fc1ebb2039de004baf43899c06678b2df54f964a3926334f9e4cab32d1",
    "signature": "0x9b73deb6538e730641f45251ec8bc4e875637ce4bc292bafc0db9807a2345c63024261a21774fc6776ed5d6536a8a26b3b0bbdc7610b090286347aa3a8ed74d71b",
    "signer": "0x50434238cc2AF2F01B2BeA57f5D4A8B66480A710",
    "userId": "497545260"
  }
}