{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27388",
    "entityType": "User",
    "nonce": "0xa18a8b7876bdf7285c578c081a480aea7650c911b469f1db9619bab6411daa9b",
    "signature": "0x6d77a55e858bf3856c76de617319a2790dda5995430747c547fbcafc2015c22b3f7bb874203d0e305374b3768b78a05108d8cceca42121370b0e550363718b011b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}