{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcaed2f13a36516faa892a9b730838d601fa6161199012bad724638ccba981f5b",
    "signature": "0x982b33661b933ffc88e6b29d649396ae3be241f76bb7558da2f0cc3ef2508b0b1f6744d209352b677508355e661dd879987092d7978845b34a2f34247e3f72ba1b",
    "signer": "0x88a432697a1A41e33d09fBE952CCa5AD18978fba",
    "userId": "31995042"
  }
}