{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x9c4b4de32283de625de17ec0ba0735a3cd1712d6591db48f94b9349936f0f4af",
    "signature": "0x399d9a6a9841201c47684ff4f13ac36cdd079162cf9f7c4913f5f8e7e99b5fd21d01ba6bb61e4cabd4192d4e75251b1ff4ebc7611851b522e1f19cdadf23d8c31b",
    "signer": "0x3fC202A2fDfDf4120C461ddb2c8DbDBEDb1b4fC8",
    "userId": "660683927"
  }
}