{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4f6e0a12009ae677152ae249055c5ca3ec37e5abbcf381f2701f592e1a152f45",
    "signature": "0x6ac5231e9f6802f6d71adc9754d66837b9dde548eddb07fdbe621048b493b6f74086b99220e7f363447902d46f5acd7acd9494d968171897886f785946efbc9e1c",
    "signer": "0x02B1Df02df352354507f0E53a1ee270280c3e882",
    "userId": "509083804"
  }
}