{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x26e8166917a2163c43823ea5db6920ac3450d4492b3b7761f16e68c3b01cb6b9",
    "signature": "0x01e4f35c1bdd8cab545b141c54950d33a1066b310f13a5cc19f2e2789983e35841b47706faadc73f1e29ce00c58c0fa28ef7e917048ec8eae8efc478b53c4b8d1c",
    "signer": "0x4810fE66B3A42DA4cb34b622aD9A069C293c6b86",
    "userId": "445042807"
  }
}