{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153526542",
    "entityType": "User",
    "nonce": "0xd889edf7eaf128cbbe819f6dfd443693ea2bb0f8e44e9a193d1e331e7ba9ca90",
    "signature": "0xe8f3c21726f064550dc313799cad1e04fa3f6efe74a96c8865f8565a0820519c679415b09bec763a9b5e15ad0c916579dbd6e5750a8e3a6255884c4109d0b0221c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}