{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348474",
    "entityType": "User",
    "nonce": "0x1b2f4afb511a28b512b4f4643d652355022f703ae594a673fbd7393ba2fe90d9",
    "signature": "0x021045cdb45b204c7afb3ed4fd9e7427996a58fe744ab1b5ce250c4184c059b0633f86b5a3f4e3f7233a5ff903e468ce084856c017c4ccc02d3584259e31cf301b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}