{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xcd5faca6a92b9fccf830a1f0b03c3726eceb0c75\"}",
    "nonce": "0x68246087a307c19a042771b3eef7a5975037a268d6b124b057551419c86eb689",
    "signature": "0xabfcdc05b776b8c61ec0c3a4095264e92c63308f65abebc7df31bacf46b7578c17bd0bcfddff3ecc49cd9dfe2c45df83787ad831367b8440e7ce7a66f7d772d41b",
    "signer": "0x90FA87F849175c66F876dd033894F158aAe31BA4",
    "userId": "393963664"
  }
}