{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0x8117b6260e5913863a545948bb2f77f9fedf88e59024c593e191b40b92376f17",
    "signature": "0xb8706e64d7509c3c4f67eb6dd7ea7631f9db160ee30ab9413937c2e6b38d625c2113b62232c49074f1946aba2d166e9452a2bf579a7f2fab539a9e45cc1cf8721b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}