{
"manageEntity": {
"action": "Create",
"entityType": "Grant",
"metadata": "{\"grantee_address\":\"0x3d49d0e11629370c626e41e1408beb753734c021\"}",
"nonce": "0xe58ff03da27aa40b812a35291a31654be3d1e09d8548a64a787fcde3f385a56b",
"signature": "0x01a93b7ee55e87962bba8ec29b19d6e9650f662f37c661c0e68aa3581fedd7d017b3e1c8b5692971c8c9488176d645ca66649eb57029870510dc0db6e590850d1c",
"signer": "0x8391B52914602191D0802155dAc4ade46d55b0F6",
"userId": "30177"
}
}