{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x416a95c4cdc502d8198723690c2b6d0627cd0cf956d2c49611cb6ff94a348e29",
    "signature": "0x6528d1c3a629184867f3d2e3fa4950cd268eae9a3f5eb17e4bf511c140f590a972e81843dbdbafc26f50b2bf492304bbf3271ae85bfbde301a0accd6df1a94971b",
    "signer": "0x4C0A8fffDe439A18A5D40Cd081cB5001afBEF79e",
    "userId": "836959179"
  }
}