{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94304",
    "entityType": "User",
    "nonce": "0x1c577c50dd0f9a7a586a5ba3d687fe8a306d667da12ebb3edf0b4bb9e2a509d5",
    "signature": "0x68928daec21d7b0b8451c0b0c1d69ca61f8135fd196ccb9896868cdfbbb863aa1fba9c9451d9374abb7011c5b2d6c357ff35d8e337db40a57b883f3c0e8e6f021c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}