{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14947",
    "entityType": "User",
    "nonce": "0xbb43a7cbc47e6796b3ed4b4349843a903c95d08ad59deea2aa5ba070ace6b5cd",
    "signature": "0xbcfb4a6518fde3c45e0cfc69dab4e2cd6f555060aaf5406cfc254ee4280c86127a32498f6daaba26870bfecb2e9aaddaa1e5d4dfb49df0f6d81500eb945000201b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}