{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x289dcf8080d3eed85360ee53ab40f2a2a12feca4bfb280ca25217155e1d4b5ef",
    "signature": "0xfb8b0c360266d442a2bb9a0d92cf837ffb4ec8a89af0aceb3e5750a6eb2c17d8785dba8d9c6b6e50ebb885c1b068bb8f13c61d7639071a146e5d095b6c15580c1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}