{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xe26e97786f00e065adea109b0b03edd445337ae232f10d97415c48c97d112455",
    "signature": "0x3a657fe7ca0d3219002197a49528e0f25fbe159e3e30b86ebae04cf60ffb70b9507d0eac32a5b08bc6e28aba07151e56d4cfae303fa36d650d45d06f732e47951b",
    "signer": "0x977379136A9ea36Bb0dC9c6789B6E8aFf7fC5b7b",
    "userId": "535509533"
  }
}