{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217838",
    "entityType": "User",
    "nonce": "0x854b66572d563d6b7df176bd27b17895bb8b05a6d805a5748259308523d278a1",
    "signature": "0x756df7961f0791f258353a4c1dc057af3f55c39d93648a4730f963664a62c6c3445921f90266809e8cba61b7eb1dbb5894e0f54978485e71fb1d202264ee87071b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}