{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176201",
    "entityType": "User",
    "nonce": "0x608b330be15b205377e0b273f08c69603420f898a176219b6a2b81bb2a279f30",
    "signature": "0x8c1b6d248cf50a6e7a9aac7a567ca691e5fd8ef899d05e432a6b4e47ed58a33269891c273c72c2843eccb12eb6b4f193967f91d829162d9f143ec1f0fa2773581c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}