{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0xba07cd20dfbbd0cefdeebe1b213961c8571bd9e22fa189a87177b96f57edde5d",
    "signature": "0xb6583890cf6fb26c73955f8424ed6eb4a2d69ae8470d12b6502b0439b2e50fd52d1b541d3cd85f869f758527e3ea8826b077dbf957fe0d5eb3a88487db2128861c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}