{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "941926592",
    "entityType": "User",
    "nonce": "0x0d2e34a3bc7720993256f63b2d8520b3cceca3877def7a3578c95a7014435c65",
    "signature": "0xc1ba0ff51eb2fad212752fdc8163d3841fab612e4d2814d285a532e8bbf35d971f64d7f9a80852c21c27110b8dd8643060fb69d87646eb40154c811d44e615e51b",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}