{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x70f179ccbf6012f415c42c61f6eaf94d536b743a8bc210b011f08074e13b1d12",
    "signature": "0x7fbc7b0849ce60414a011366a1f89aba7389bda54fb31262cd6eef0331b02daa3e33741bbb95c89b3f4b4d222cd02a2a1c31f501695dd45a271f410fca451faa1b",
    "signer": "0xe4dcd637979Ee1e0D4B8DB8A80a27C43fbCB7c67",
    "userId": "729889907"
  }
}