{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "332837",
    "entityType": "User",
    "nonce": "0xaf5560f608cd1dd61280a5d0511a4a71708dfaccc93e9a9cde6c78a60bb8614d",
    "signature": "0x39b32cad4a8e1d7879dd4079be948abd0b66390931a84688587413ca0f85fcbf5ec3e3476ce4367eddf562358785d7cfa506fd4a05dbac2e00647528625211341b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}