{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x65674e48f8383129cc30c00f289d0c2901f56ea5ec58cf4e351143271213e3dc",
    "signature": "0xf5636094a8bbb6446a00a0d6f2be15f05585aa1e05ef12107e4984781d302e7f1b98fbbe27623d0bdbd2c37fc13c4a00b1b095cccce881c00301711967ce74ff1b",
    "signer": "0x8B1843fFA54E4b5fc57166b81b43872C7B1aAD08",
    "userId": "131266153"
  }
}