{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x8589d724434b791d0bd74a6ab27a6d7f228cc44767c5769342f0fcab9cc67e75",
    "signature": "0x7ac076db4169feac25ab1005c8d1fdff84087c76e7a1dd2f77a6f1ff628e80c66a821e375ffc4b21f385555e446a9076e11d59eadb3934737e09e90e5f13a11c1c",
    "signer": "0xeB678D2E3d8CA11ae5F9782c9F5259857dACD665",
    "userId": "950922649"
  }
}