{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xfa2443c48b27bc31fb2ab172cb3abc703d5806f1\"}",
    "nonce": "0xdec86f33289bdf91bd0bfee87587c2cb5bcce370b9ee27ee2eb9931efdda94cd",
    "signature": "0x86adfcde9e8ac59bef95358f1398486b23b7dfce87a60770fa0e961cb44dad5a6772df3ea0a0cb97a0045ebebd8dccc90df11db7f6fd9da6eb3027af78bd100e1c",
    "signer": "0x2AcC4e32e3E5285B2b411A0B49405260ce0f21D1",
    "userId": "419493196"
  }
}