{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59821",
    "entityType": "User",
    "nonce": "0xa620a184b7c28cb7237a309c68e5382e0627b1bac3150eeb4b005d0d2f3b5598",
    "signature": "0xc231e916c40f533d1252a4cc3878ea931bbd701de10668f412b6a35b9376d7471115df125f08fcca8f21624b895c831f1ab5dd80bb2f066f4b7bc99f515b06401b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}