{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x9278a3db618f0f098f78b7107fbfe2ef326d6351f6c727597d73a7e255760958",
    "signature": "0xcd930e4bb3f3d5bbf7fb722b2c64e24e83ac4a6dbf8f320148e19a0143add0d0598e8fc0e88a7e041ba819fdb01cf261c5478ba31f00a55cc0ad121d3a5b44831c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}