{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xb6714c9e68de448a9d581205a8f1bc578dad2a0b8441150e17c2d85730621fe0",
    "signature": "0x41de963cc64e717833975dffd58143820966f4e0e7bdb0c1c18ef06fca2cad8d7421c518e2c88e3b1b35190318fb9ec51a2fd55d6f322ada2963007dcd1c81a71c",
    "signer": "0x5965eD99Acf8fF237e58a2a89bCc4A3dfFB3349D",
    "userId": "755813120"
  }
}