{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801898123",
    "entityType": "User",
    "nonce": "0x4b17dd07a17fe71906dcd4adf1812419bb875d9dd55d1c45dbd09c1d8cfa559c",
    "signature": "0x9eaf39e7db1b5b12cd839f7d3948613f89ca0b3122fdd32f1c8ca1ec19132c3d73fe720c43ecc2dc71fc2ee4194b903ed50989bd7148f9684feae0ebabeb3a6e1b",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}