{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "300177",
    "entityType": "User",
    "nonce": "0xa7250588a560e5c6df0d2cb4f3ebe43aa03e798ff1d853591a504341f43daebd",
    "signature": "0xc7f80787f843971988bb978ff62a4ce1a646e58c7a0378debc67eb8f8ac6c16362ba35c30df38914eb5d4203ac3c7feeb535bb7e4ce74bbf528017e695fc01ee1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}