{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6a3058508ab3a619c5125c153414971a0b43c9921dfb2547c7616cdfe6a9f36a",
    "signature": "0xd50b14158d02fbb524d54d4d5e4ee9ec228a0f6dbe1383035932e768eed2921d58c753c06e73fa5b76b752714cf8da730b632a2a4f0c8ddeaf19fdd0be7912c91c",
    "signer": "0x50030fbe6dD7CF39a4Bf73736736A06Ee3820C31",
    "userId": "339715673"
  }
}