{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "933842159",
    "entityType": "User",
    "nonce": "0xe1c18c5ab0b92823a25043da59c13312349710f605caa1788230cb4299c4d99a",
    "signature": "0x361ce9604902ee53d8c1313a652708e7141c0fbc612fe615de105ee32eabe5c57319a1f0ec954904c3dde89c44cc354f3126f1f464572c114a93fb006b7409411b",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}