{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xf8c51b8adba49f13afda662c838817bbdf78fc009e76b1ca04fc4691ba52d51e",
    "signature": "0xe0acbfac79ee9ca8e1f5f5ba11daae38bb50ac1f95bf5c12e62c0d49dd2061be496a7becc7f283a7bc6aafa6e6efb1988408b5ea1278bc413679d47d61f2523d1c",
    "signer": "0x78Fcf9631867a50055343eC1eebDDb50Ce232b50",
    "userId": "278986454"
  }
}