{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x94fc1935bc1c775d4a1c89e76dbaf573e15c078cff841949b2acef21f204776e",
    "signature": "0x73282d730915f0fbc77c8a8e88f8d15cc24156f5313ab86e0b8387cd80461301541d35abe293d5821400d369af846951988875332fb50c76a9d047b3d5089e601b",
    "signer": "0x4CeD33b6a04d1bc8e485ea3a8ec0F539334b17eb",
    "userId": "130289389"
  }
}