{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xebc1cd62b3418cc9fd65e5557d69f9026e5af4081593a1bfa98052a62ba77ccd",
    "signature": "0x310d7f2e2155bd84880486291b166324a68fd941343baa36f5223a74b447a66c1fee56b33eca1dd0a290c850a897be45f8ff209bc0a01298522b1db5aa418f671b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}