{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x5b7058f4f0313f8e9ad39f31ce0469c729367cb542839a91447131a514511c2a",
    "signature": "0xf0225fc05b421f3e9a9f10f51cc1e86c21817c6c6ba8e096fd0615b22eb501cd2db2b17f8c70f199377530fc7370f33451654bed182fe078dea8f641b5c2043b1c",
    "signer": "0x2758a05Bb1d2C66533e03202392D101AD39c2179",
    "userId": "624018645"
  }
}