{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xa45fd7d3a1e3db5542a76dec3148cc99932f89dda15ea617cd7be8d9b636fcbd",
    "signature": "0xd25ded9a6d4c88fcbbd67442eaa079a52c24168bb6f30718fe9e2eb6c774fb9349972b076cdac5f1ad04bb37ee54a8b1943edec1487c88ac06c84d0eb6b1203e1b",
    "signer": "0x5a9D64BEEE5B98f5c5439899A246E6df6234757f",
    "userId": "9099769"
  }
}