{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x2ddbd1ff461e20b1bf34cab4d9ca81f8882ca10cb0b769f28f743e1d3ffc3cb8",
    "signature": "0x95d66d5d5ad19d5381208c8f7d381dd6c0cd6af279ec3e30e91bac9e82dccce26d115dbe7b934911dca12c93f3fd372f31e88017b06669bf4af065f3ba1ac1431b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}