{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x6ebd9ee268f6fdb684d0942c9fe6c6572e5c26b7e6b6b2a8778bbe42583c9685",
    "signature": "0x5347a95b2df9d96f0e0dcec34a50f255be6b5da6e01bda5dbbd8da406d203e745c20911073441d39977b83783330278f78480a4dc9e051783749206f1d9b9a3b1b",
    "signer": "0x7497c2c9310ED0Cc381979A3c9C240c4309d4e42",
    "userId": "144424233"
  }
}