{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x079607e6dbcedce12026fa4ddbd6dacacb06ae1df53443223b649c976e373f7e",
    "signature": "0x59ea614b6f27fe859185f85d2743429dd546c8b4927d236470a236c93f2496ab73dc966a69a2d93004748fcf9717a838cc03fc54c85d8ae298a0edf5d69c81d01c",
    "signer": "0x6D407dcF43E29c9a416CB81edc58bE793D0e3036",
    "userId": "829827216"
  }
}