{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x201aff36d643fa77b759385ed24f048e9c90cb0ae2b5c606f328b37e5101d165",
    "signature": "0x268c559304acde97b4ed60d7095ea1507776844677b0daaa1b10de9580bff69364ba38ad8805750e7ab28c2a68e8e5eff88ff361bceeb5458da9b0b25c06134c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}