{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x0a47f1b9ab5c0691e440a977760d2ed09e2285d4962647358237f12a642d993f",
    "signature": "0x3d4eb549f312953e16f33943070b9c566d2d736a899ba7c3f3f9731283333af1629b50b164115b1103c575daf38a7c147d462d329e316309632844511bf0bcfa1c",
    "signer": "0x0Dde3552c1a89f705BFe241407BDcCfe389c242e",
    "userId": "869260976"
  }
}