{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0xa0050533b5c612074216a6ac8d864983b8205a611209f831c82d984b008218dd",
    "signature": "0x7b4e0be8285fee03e6b52267ece9f3c2123d2d8df0620c8cee024be4ae8b24e53961d88dfe9ce03379004972cf50231ba411b433c471d907292e3d1178bd60711b",
    "signer": "0xc42AE157333d58243c3FaC5f6627C1A0F5c78F73",
    "userId": "954977287"
  }
}