{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43276",
    "entityType": "User",
    "nonce": "0xd346f7fb770845e8cf5bff1c420f6a9dbaa1bc8741aef7418296495541afef07",
    "signature": "0x3394eeda97f412034afa695dd6b9cdfb44bdae1f6f24ff8dd9906a5f64be8e4b41786774a4410d76e25b67b1f3439f711729790cced3fa2cce6b4bdae324e9801c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}