{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0x13a6e27c2012515169f1ab076dc8f29da886757d193dd280ed30a686d13b7878",
    "signature": "0xd47770853f855d4d5011620608e1c0c05c7066a9c3563c2cd4776dea0bab6d6555708e5f7ecaf5d57fc945c5bacb412016ade1afb556cb76ec41e87421fb72851b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}