{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317847",
    "entityType": "User",
    "nonce": "0xf91612e20494570570f69b9ad74ac8f667327db5e97e27a54c73ec826b4b0de0",
    "signature": "0xac5498c9fc2344635147617f323e48f25ce079d75ea388c5b7201cfc70a42fc3774ed1bc5dcd806df79f89f02e8c9f7b16f500fc45d26a0ef0989f05db7d40361c",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}