{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xaa000a3984d00efb6b1d276c88097539e67990d0a8d139a3572672251989413a",
    "signature": "0x4ab44ef99d8c97ce41cfba0f004c798fe0eb560ed308cad565c813f345980e1e109860aaabf8958274b3344b6cc94359b3c9393d944ea880962cf257bbeaa8c01c",
    "signer": "0x4878a0996593Be5f3D64043c9Cd860747d7BeE1b",
    "userId": "97663415"
  }
}