{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73133",
    "entityType": "User",
    "nonce": "0x68d3f0830c761c16a63942dcacdba5b722953a46bd7022534622b2fa24c3516c",
    "signature": "0xb8e56386d8efecedcd31f6df0c95e5f1f8e27f3ebface22a57b1ac328f927ad92d783513e06559ec45068e25cd777beca529e033e182b66c0e5565f1d8b698a71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}