{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x3f8aa0a4b3c90355ff255f17160752c89520c283164d4c9b45d3e260f22aaa78",
    "signature": "0x0b526190e881bb1f9b566bec6e4c3cc33fd03c1fc2db71b1c26a4aec504f1c09586bfe5c37bf13f6aa3d48081b6f92de29821471509577bc76d087a9ea1acfd71b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}