{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136694",
    "entityType": "User",
    "nonce": "0x32ccf10430fcc1f04a6cd4e50ed086b23b2c6aaee985c2aa46fba029eaabba02",
    "signature": "0x0340837429916a0d60667d3140324f8fe86fb63bbe270d8e04dc3a2551367b024f918fbd178010a7cdac86bbab1f94eb6e7f45149a9298b5bbbbb59997d8b27d1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}