{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0x91d40ed98a22e369a235699503b15b0889147b41137dae04c3552f354cf9992a",
    "signature": "0x25fe13e3600dfc6e32854a1b34146201ca7fca3cfa0f57d8507eaf56319ad0622808d6df4b863574f8b7a6a897b34370f98dcb712c639c457b42a4dc9c8ec53d1b",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}