{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103822",
    "entityType": "User",
    "nonce": "0x6de3f7ee5fc0e20181072c5440a4670cb24d16d9feb27a017b5f1642e3864a51",
    "signature": "0xff8738cc0c45a5cc28a27a9d65bf64d48143076576e5a0d5e5da1982e8d5a9892e688c7e6125ef09a5ce56ba35f265520f5b1f36d21b02f17e1e0ed8f5245f9a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}