{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x2f510255dcdb228d3ac2065e5176aaa778fdee0dc9a3c06b2ef390718842e898",
    "signature": "0xb3e6a9ee57dbae907d0bc8dfa2bc724de3ad90d2de9be021486c63ee47bf5d970ef22da5d67fe6382f71a4c592ab0f881758f760c458a94dfa478b3857e58ac21c",
    "signer": "0x0b1FD60D2e5cDBDa5F5dBad1085228F84e068cda",
    "userId": "134120988"
  }
}