{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xac279fc0a79b89954f6b656c299194e112733c63ee92a08ccfcf0f8ed0513c51",
    "signature": "0x308178259ab588e429f1f34966a99252d0a3edac9c3435eee12fa6a318075660747e60d6ebc657743a1b3587da48a6db410affe2165c4c4ff4fad8b023f3abed1c",
    "signer": "0xF7e8fd3CAEb72CD472029aDE74c13Ae86a0ED181",
    "userId": "471032236"
  }
}