{
  "manageEntity": {
    "action": "Approve",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xed14fdf58ec1e5638bfeff61dbd918472d4cf2d2\",\"grantor_user_id\":713516342}",
    "nonce": "0xdf06709d04dd7c605acbcff3136962081eff192150493d07b33ca368f077b680",
    "signature": "0xa725dc0806ac7415037e13d41325c88467319394ae8de9803bcaf8fc0f0f62ab4d323cc092cc50e568667937df941abd1294a82fca6c91b0e00781679d63a2601b",
    "signer": "0xEd14FDF58Ec1E5638BfeFF61dBD918472d4cf2d2",
    "userId": "501109004"
  }
}