{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xd5c847337dfa7658c0bea187d349625d0e75777912cf7c8b5c07897f0b32061a",
    "signature": "0xdc62e8ecc70dd7e94ef2daa98c468bd133cc8add34cb3ac12946b7caf16c960c07377ee01c6bb94e3c297bed91b09404f3d76e8acae55f8c2911d0b211c974b61c",
    "signer": "0x43Ed99d1CFe628329245DdE9b308945A14285Caa",
    "userId": "262721884"
  }
}