{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314426",
    "entityType": "User",
    "nonce": "0xe54af415a33109dd41f40690eddf66d3bb74109bf973c978778827c389b196dd",
    "signature": "0xc2b6c37ed8484c5131bfe842cd91d5d0c6740195c3917f0e6aea9ebd60d16fa77a6fae7fe4067f536f802c71a311418d032d1ea51dfb4baee72e0186e79a47301b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}