{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x5903fe975c52cbc2102828ba91dda8ac16a97d466927f28c3606d360703dd1e7",
    "signature": "0x53322916b8cc359179230745b4cbaa8ebca3eeeb1ee7e9b4c90d0c3d5ee29bd5762626d16cd2319e809582d3c7bf919913788d80cc21540e0ddf40904ce3fe0c1c",
    "signer": "0x453e3441C25BFd35182Ee10Ec62d22C465EB08aA",
    "userId": "713093927"
  }
}