{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x84e865916c37e3a468dcdde278c997b33f2aaac2a04eb5c6c72cd3589b78c2e0",
    "signature": "0xd3142093e50c2de4302b4b50d6da09db507f991caf2f9cd6dc1ffe39b7c594b64ae9317dc98d6a160543c247cdd83571d8a218348126cf466c73bb31290c71531b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}