{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102419",
    "entityType": "User",
    "nonce": "0x1e0c4362e7af6273d7f82c3b5e7fddbcb3fecc8306a6a155f8a0290e28e52040",
    "signature": "0xbddad230d10a9da661663d32b256dcc2347ca0616a5c138b811c97cbe03a9c6a78b4327363bff0a0c5d86d102774a495cb609b0d179701be06689aaf20457cc51c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}