{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x3af019be6a6d737a87e6bb4ebe3924e92eba72f6eadd2a5c9f33c66dfea57375",
    "signature": "0x61d4703f07f6b23310b09616f90df7b32208ebc38e97c34a32b336d7def3e83807a02ccd82cc2fcbc975a9dcc4bc7221286c15c89aa88e99e99cfb00148d41311b",
    "signer": "0x08b295c4D0D9aAb59B7687B701544C1eE134599d",
    "userId": "913853039"
  }
}