{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf882a00e5415ba021951a5ca7d230ec758513adedc52276c6256b14e8b0d7a87",
    "signature": "0xe0175a7f4ed0224f24a1796e73984635d71a8bc6c51bcbd38e27dee5fcdf30393d9af37a2c54bbe485db612a98b5b3f77957841bb16ce2bfc009f01ddfca86fb1c",
    "signer": "0x5fBBD7689496DA9278d23086Eb683a9399425279",
    "userId": "154960165"
  }
}