{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x3845609dd302dc9944d9bbf3eeab9fbdf495e57808e0d6967fc45dc0a141f1f4",
    "signature": "0x87cc89f9a33beebf5086fcffde3057e0d60f6f6b419959955f4d4bdf880dd380527342e7cb6ed9b0e2d26b9b127cffcd9215d0730565362709c2b5f020a414cb1b",
    "signer": "0xB91b7bF3E5cA5667fe5FB51F9B6873D696a4a8b8",
    "userId": "603981657"
  }
}