{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247261",
    "entityType": "User",
    "nonce": "0xf471b824b3b3dc42b23e6828e2d5a8afb104faadb5e30ba82049e9512b09c599",
    "signature": "0x4a8107c1bba4eaa9bc87e24871595d672da04a4bf7db5076f11744cbe93228f454b83b5ed3534c17cf9cc6e9b8b4dbc2d3d20933262c58a1c104f6ba918ef1ce1c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}