{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0x08c2c7c0426925d4a3c65182dcb948abbaf54b91cbe266774abad194ef2fa0d0",
    "signature": "0xfa2fe5312c6014a849ea7e23276cfb007e72cb1c5e6267bc76160f5a24e515a80cc931d595fb926a9104c63288c52fac9ab6b2050c590e06f646aa474215e8791b",
    "signer": "0x4b699a1096Dc916e3Aa69b5C1977e9FB2B12CBeb",
    "userId": "404404899"
  }
}