{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233434",
    "entityType": "User",
    "nonce": "0x51b551e3e690af12a5530cdb47ec77d4d3ab00a3fcff74db36aa95dc4aa1f357",
    "signature": "0x166671b8354cccea00349b5bf15a06e3a3f9c150a40ddd981fe19c49bbeea8fa6c5b69cc51509ce6f8470fbed6cf6b551e31a490373fde9cfdd4000d9051cfdf1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}