{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x0ba082e3a58e98cb74424fc628614d4c99fe37ba\"}",
    "nonce": "0xe5ef688f99da0316657c79135e079e0de0070e736d2a40bbe1f976cfcb721d97",
    "signature": "0x7c68173d3677e44c4e6e7f65a6e669fee2bc7b3974e619a36e3eb43f168633255ad7241720068f6d8663701ae7ed84b63c98bbf147d6a777631e418a1326656c1c",
    "signer": "0x71e8e3DE60ec43513225c48D134e85816968DC01",
    "userId": "529648859"
  }
}