{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x545aaa48076fa070f9c312a294558e18613c1f5b\"}",
    "nonce": "0xda27b451c7171e5d9b13275364f3fc44ab9cac32cc951ea6b420d8ba03daf68b",
    "signature": "0x90e5277f2439a20b5b9295f9683b1a0ec24bf6fb69c4c1bfbdd3f56b2ec48ff16bcf7a6ea734dfaf27d91c8f82c64782f664f1588c390ced4b30fbd1f72888ad1b",
    "signer": "0x2d4E313C5C5BBeCd31f664627b0a91361e5D04D1",
    "userId": "106406"
  }
}