{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14866",
    "entityType": "User",
    "nonce": "0x1adcd4c720b9d76f818b04191d166bf30884fbfbc9ff9fb04870e8ae7f28c755",
    "signature": "0xb35211ed7b5cefbf0e7d903d78a82be974ed5aec150ed2399e81d21bed73f159412ec87caecb5a42e375460db527be24bc4de9c1888ed8b993fcff510d1993641b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}