{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178070",
    "entityType": "User",
    "nonce": "0x74c81a9335380ea3fcf7a828dd13f5cb4c0e7351d0a893340cb27234419715ee",
    "signature": "0x1534e83f1ce99eb8fa0e1d1271f6eb5d51fb5f7941ca102e774a294c4a24600f0af1a4d82d2dd3efbf7d41c96ce385acd0bc5a4bedc3f5f24f2e9488083ddd711b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}