{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158645",
    "entityType": "User",
    "nonce": "0x417ded4511e7cce79a1a0221a626ef73b46d7ee43a039105b236f34c9aac4fd6",
    "signature": "0x16a1d15451471cd3468d107570c7bfc12269797f0d03bb8a3a2b127837455bbf3edf35c153395ef55ff36147bad46d8e00f5f9ef51fe63313fe6010a835e8a7d1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}