{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6b2b9d9385bf32fa6576d3a9956fb819e53901301f9bee97d661882736d6dad0",
    "signature": "0x6c0aeffee91c69263e266287afe56ac173e8799bdb4e0f1b666d272a638e2add2abd0cb4ba07cf94675b303dacec5dfde637941a1c25459538d695e55676187f1b",
    "signer": "0xA78079C79E7c8e90c6Fab500d2D57937e74dbA09",
    "userId": "350247820"
  }
}