{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55368559",
    "entityType": "User",
    "nonce": "0x19f8bd50377f8a84e3a6b7acf286ec31a8cbf6a369f3af32fc900753803bd327",
    "signature": "0xf99aed0d1f80b33ded5a45c5e49fbcdb09821c92949ebdf3b493f834ed2eaf5c1e138799f11a7750f830d696d6609a0c95798689ed999994851db550ba90765e1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}