{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170017",
    "entityType": "User",
    "nonce": "0xc15a2de068ea8627fcb79482f28791279c2a03236077c7f15c2f60eb955e3f77",
    "signature": "0xaac2d2811b3da5350a5a175816ff4866d6ee9b090b504e3632c9cbdf69a120ca01fbeb1ffbbe1ab7cbb4421d2f1537990063fb16b6e7bb1a01e04789ccd0c9341c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}