{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313481598",
    "entityType": "User",
    "nonce": "0xbfcc506cb22c4f7113bbdc5fc9c34399d34c6b62966a4734e7ca9ceaaa7d709a",
    "signature": "0x313f30e6144efe77c2a31d851bdab416f46730db86e2c5b0245fbe10f93637637dcf3b0a5e69ba0af5d668cbb989e66dc552a771ea00a5cbebb1b9a7da7e776a1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}