{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203159",
    "entityType": "User",
    "nonce": "0xfe94a78b63011d2cfb4f9eb5bba8d707b69579fe26a095a5f2bd426bd87e6431",
    "signature": "0x47201f8f94d7d014e4edbd37b7da03172e78e25bcad02f1445c8a0ae3b53243b27f261ff8f81e5d7e49fe3b2fa779af938129c6caaf18fe820fad41a9e7773ff1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}