{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114445",
    "entityType": "User",
    "nonce": "0x34264451e89ac01335e4189a4e2dbe8e442864dc9febfbb33741280822a6c11c",
    "signature": "0x4c7582ffb7361bc6d2e410614a574546e56363c25cd9b1cb4c5ba05e8d1d84de4aaa532d50f8aecdfb9669bca4b470911bb42e05aacb33f4de3565f9757206fd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}