{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "990836999",
    "entityType": "User",
    "nonce": "0x5e29b48a1313a243f9e8e6b6a422b2fcf2dca85f03924354510f4603e79af98b",
    "signature": "0xe5edcbd96ca82c59abdaca3963318475a3fc50e6f5edc211727d2edda2e1e5a2577f0103465b0f9726ed7136879e7958337a05ae0f49a13a191632c8704143921b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}