{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x8e41f7a30cc15ed8b400aaae8d4cf9a56f83fe19ab20ecc93cb92104e829fb60",
    "signature": "0x49b17e0da0ad4441ce11fc3535fe4bc0322eb5d66fca5cf4d9933dce168fd0007f9ac81b30f4defe1d9a045dfda96b614e4f60e9f9439dd41a0052b2531939d51c",
    "signer": "0xa9C1a2BDeD896d3f122E366aB647BF1C74C00eBA",
    "userId": "209707164"
  }
}