{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27841",
    "entityType": "User",
    "nonce": "0x0304f6e94765e9fc64f889e7889b684433e97836bc6bd2bc68a7ab27752f24fc",
    "signature": "0x23aa381d505f2d6f36d3ec309900e7298c19da56aa822dbfe98fd84913f3ccc450b8317f604e9993da8e5de9c25265ff081b6e49a6759a48050752df6170a8221c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}