{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x9bf9cf2d41a889318cd783cc995dcbb1e00da2aafd545f84441db325c861f4dd",
    "signature": "0xb56adcc80a462aa73b4c3e0382e4da4c5f01064d035d44cb6405e877a97ba8e300831fcf5ca57b77ca73d652254140771fa18d17aab651769818d21ce30433751c",
    "signer": "0xd0F953Fdf6163aa77874a5c0a98e97A0E8781c4e",
    "userId": "715750799"
  }
}