{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28984",
    "entityType": "User",
    "nonce": "0x36a5fe0894782c0090bf389394dc3f434e042a3eaac9231024bac6b30b1391ab",
    "signature": "0x7775014210252a726b0d824159ea9854b0bc647683003e72ddd1d05806c3b0e57f9cc5e95d4fa833352c17bc8839ea199631db84e7b98b5ce0fd02eab2ed19a01b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}