{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x7afaa8eb698c25274493381027a20c985c05eab6\"}",
    "nonce": "0x350926a44d9c4317cc61aa133db3c3ce1cf21825bc877d47d967c91ed493b945",
    "signature": "0xe987ecf34e7739f6e89247bbbe5c7e79b033aa7786b670dce6a9ee4589f3bebd1620472eed44aa2454cbc52f39d94a22c1c80c9243318967c7e4819a76a5242a1c",
    "signer": "0x4a76B75F6e74DeE92C9BaE06cDeB004350EBe270",
    "userId": "467949786"
  }
}