{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x12c8cd8f2c96f2dac2a8de8b8ff4662b0b9b8a7d72e20e9a7e45e2d7fca06257",
    "signature": "0xfa2c8e36a14af40c0e866d2b34f8e74600917982d2a7522dd48197c8724deaad02ff0bcec99deb5858923c227e3e0cbefce911a408ab2abae035c5da05f1c1851b",
    "signer": "0xe24cF0E5D1D9Dfc6a0433DC90D04C287B2A2f78C",
    "userId": "287344568"
  }
}