{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x9a207c00cbde724cbb9bff677050803860758aef8fb2e54163cbed233437dba4",
    "signature": "0xcbb257ee7208e2f4aca18509f2d71ae8031b65bde9fb48069f627aa49c7aa5c61df8eb21f62d40721a767096910e8860dc7403d902c2ac801711aceaa2e7d3ba1b",
    "signer": "0x81DD75cc834A31C5FC83A39E7B2031AC67DD00b3",
    "userId": "916443798"
  }
}