{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf17738d433ee0e2364fc31e38417dcca49873c33eb6db301b122550e6ee10e0d",
    "signature": "0xfbd94da302b980944e589e65c3ac78d5c05e50a3f1e78fe7c23fe8b8e134ca2272fc7f2fa6f9e15176453cf589a7c848ff0a74ff9f8c6dde85a419f667e0a80e1c",
    "signer": "0xe01caE69fe6cf2Ae69eAD7eCDA86c3924330E50A",
    "userId": "406984433"
  }
}