{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xc183271150d7ba165b9e119c912a1c193ae68e452947d25a8c0dfe4d069ce403",
    "signature": "0x75186a5cf72a7a41f7317e84f142fd89f43b45aca99c338099dfc5457c0d33b911384295c2390b121482fc788a8f87414a0e1dd67b7891e0c27138b1f7b048791c",
    "signer": "0xb5748d3118CD2F9b0084C216A61AF00b86eA8b4E",
    "userId": "671193360"
  }
}