{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1044470",
    "entityType": "User",
    "nonce": "0xc31483fe8755c45fab38c8f48140c67a4d9b5c46587aa77c4b0ba41fb10b6c8b",
    "signature": "0x143df7535ae15fb0a3e03896d86a6a7198dcef4e702be3f3c4b9096b5ba092bf218a03a31bf12672cc7d5e97882aa8c7ddf28510e511bf2442a7e21f7c088cc41c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}