{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0x702859044fd15225cf6bf18f660b172604ebd709010cfef2f8a0a3ccd1a37f1f",
    "signature": "0x69c0877aa77f8897c5a668fe835856a6b405cd8487a6eb8d82dbb0e1ed794ead749516616a720056364a29706ca6654afa2affffc27f53bbc1b85cb5011768631b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}