{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71290",
    "entityType": "User",
    "nonce": "0x9b2463243159fd6127ae0b602fc6d5a8bb260108fc7a44d5a8ea8e84ce2257cd",
    "signature": "0xd81b6315ffcd7fd1f2a9a04155e4b234e8b450ffdb09ec8d11ec12bb1d05ce732b41aa31484472fd6c6403a5b4bb302f705a07c571ca699f7669c37843c5a0181b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}