{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234982",
    "entityType": "User",
    "nonce": "0x947424241a75cbfbcf9f978c3c57289472ca5145e68211e2e6b74e546a801aa3",
    "signature": "0xf88157fa84d5b743fad31ab96080d33b2d85b429d783b54641698eb59295db3532def2ba7cd455273c58788f58a1dfa25658cbf10d409fd1714dab514062de051c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}