{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x41d5fa836a8978fb6bb8f56f399862342d43dd8e81913cfbe0478eb307e70fbf",
    "signature": "0x9d4d8bf36e8ac5f901cc3cddca718324a42a4c37e43b4f72034ea1182c7370620eb78cbe51f8f822984aeed0ffc0f7a473b2f0b9e698916c74474d35acb801cf1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}