{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267223123",
    "entityType": "User",
    "nonce": "0xbd8b36cc21fd293f09061ba1b24e5ea630b1350401e75c2e0c14edce1e52a2a5",
    "signature": "0x8f980c8ef683ac147f5dd919e936a6bb809460f76c6b7d25d185ed213cfd79663fdd0abe5194ddc115710978d90a6809775f462ba93805f3bed41f9abc7b957e1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}