{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858059039",
    "entityType": "User",
    "nonce": "0xc22e2f4571206e37c0e1c2538720699254404094f37ab5b0f68f3cbaf6b4fe34",
    "signature": "0x9471045e5faf0f743aa229b3bcd704a96dba87443ca4baa7aee202d29f11bf4440a71b8f99e1cf2ae5c164686146842b48564e44287bcf541fe4f2afd953bc931c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}