{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0xe7c21da42b52a2bc3cb031d87c153678afe0563e8b055d04511e4347ec5c291a",
    "signature": "0x3a0c0a521623ceb3522c7fbe2b9e57fb60c1241d550588b10104a08e5288df4575f85300426f0741af106b6cbc2306acfef770864dc06df732fffa50a530ae2a1c",
    "signer": "0x7485DFa6dD3242CF70f4eC6EcFebD9Be63f48c5f",
    "userId": "527928318"
  }
}