{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xf25a09e7f48cb5570ed7468c0e18521f970174f87b2a196172fb2ae0ad5e2bbc",
    "signature": "0xd6dc26ab110c09e6d3973c3395214c8b53f915ad7afc25d1fcc95f79ab37a26b0e9438802e69522af4a9aa13caa6fc2cd573487c92538a3aa1f21151236f7c2a1c",
    "signer": "0x792e5E6755b87877d00ebB3f4Fb5bB390E192dAD",
    "userId": "643380096"
  }
}