{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73877",
    "entityType": "User",
    "nonce": "0x677e9fb3f519ef0ef4d0271f7d5462cc50e461aed5194c48ea284776189d9b42",
    "signature": "0x6a93ce91c533acdc992db4957742e57c1d08b5dabb1ecd31130e496a4add81ee6cef9b760a829e44017fe36a9a2ff18d29fe698da8a5bf0f59f7ee87aaaf861c1b",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}