{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89701",
    "entityType": "User",
    "nonce": "0xe92af4637bfc40e9e84f7ca37842e4f6c7fba3f2959a852af2b778cfd48a2997",
    "signature": "0x7a2bb592d11e673a2056ddfd7b3bb877b986777569b2a74bfc5ba05656c84c6b6b05b27f02272fc154d55f2534844adf4e1cfe21736425e875a457aa8d13c7d31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}