{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xb2e2f096955990bcd7030fc6a1e1eeecad8f29b3ed1876c981bf665676864c1c",
    "signature": "0x67c86ad1c48fa5771893d8f2ae8ada13c1f171fabb5dc06e14c2d892b0e31792283ffb50d4fb18ab197393820b29fedff1481faa4a3587580836dae8f917f1b61c",
    "signer": "0x6D2bff04F2E4A937DFffA669a03cc50A9c85301A",
    "userId": "923029916"
  }
}