{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980926",
    "entityType": "User",
    "nonce": "0xb5b9acd10493dfaf82b84ea5d9fb680b771e4d97588bc051d73670b4867fa532",
    "signature": "0xa08e4056c8696822bdd8776f784190cb3418a8d478deca684f2ebfa76b4325e07d7daf8415b6ce9d59c99b185232501368fa388d81d0fc240423b244f4553b941b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}