{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950478625",
    "entityType": "User",
    "nonce": "0xf2e9e51107819ce4c330e0da2c3f0270cc9fec4d14f6013527197bae7183095e",
    "signature": "0x13ae4852ae77cdddc8d098c7bac9a0c10ee3b312293c4ea0f198e758821ece343af63df51b23883ba7fbe317e8db90da05841230ede9d7437078a7c91289071f1b",
    "signer": "0x92a5082636c97Db0Ae888484D85e4c8494A3B791",
    "userId": "895527427"
  }
}