{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xf9129d3c5dccefdbc7d80f64cb1121f4462e481cd907fb276e80fa6978f4b3a2",
    "signature": "0xb80d672949bc788e16b6393624d4c6b209ab96c1668ae9fed6e2b13cea121e6b418218a5f72ca12ae2897f63f94885688d3d26fa36d8f6ee87432996020754581c",
    "signer": "0x294F540CE80e30CBc9Fb7bEA94F956ABdEcdEf68",
    "userId": "809640913"
  }
}