{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0xc1780fa63863f437d5811c05f7cf72b2cf69f59c1b0e21f99ecb515668ed94ea",
    "signature": "0x6c7bb6e9fd7804f289fe83317ee749d21ff830c3f35c404ea9e6bd8b3a717e4738e89346ee3fe8c97c898004f9fc66e3e7d2aa0f9a38bbbf6622c6185b48a4b51c",
    "signer": "0x965716baCd24747Fc25fD92f1BB5bD808F4A0707",
    "userId": "35744"
  }
}