{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x3f3224e680eaf482a892470f8a15e53debf1e189d67fd685534a01d360800eba",
    "signature": "0x8147583aa5668360843810bf652e18f69c0dadebf6dacb89287df363ea28543643ee6a9f4fe631611eccf03396002b2ccb0394b43ed72b3381c73638b029cfdb1b",
    "signer": "0x9d5a3b3793d2d5B36Fd7f29cb26497Ccb0EE67FB",
    "userId": "957979039"
  }
}