{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13542",
    "entityType": "User",
    "nonce": "0xabcc9da034e2a42b5efa60b6fa08068ddffef58956248d1b3519f129da7fee6d",
    "signature": "0x94dce813f94b39fba27386e42ae2c2d8afea737bf2d5dbcfc16da0ebebcf6ace137474b98b698115824e9428c920d018f63a352938c9eef899949de72fed478c1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}