{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760734",
    "entityType": "User",
    "nonce": "0x4c9a8534cf5b71545a84a89befb0d77f07d7a6b68bee6e417bf3a6c020d39378",
    "signature": "0x82d278c2a9c31f32c680f9917bec570c42ee98086b8ebe32c331c1dee207ebd55aa219edfd6d1d31b177c9fb01017438cfd22fcc22eeb88783a68f28f636ce951c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}