{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x1d24425b073e063b71eab6e7ab9c43c5552f1f58619ccdb6aca3884dabb5f7b9",
    "signature": "0x96cca455511acb0bc729bf05960b61858b1e3ea0839c6c0b7b452c3812200ba0390f08b82723301cc33f5b1479d67ed08717b3e39681bad97efc129bfc59e5741c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}