{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x9a44c3e52f167be832d08cb794fbc8f164bf58d063480faf9a57ab16e30663f4",
    "signature": "0x36125b88f482a96abb44a395789c3f89b493e2d4ed8251279edc3b177409316d313847ad9ebdb821c6245d9edf1c0760154fad705b317e8e3d50c7e4941e1cbb1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}