{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1426096",
    "entityType": "User",
    "nonce": "0x221118f5c2877d626fbfd97193a0d675a960019d3f551f1e8577ab943ad4e8f0",
    "signature": "0xce172b5fc364fbb7b7c9079e435e4529b45266ec68871ab8445d85d52799455f1c3b99fdd43e14c1ee5b42a430309d1f2e94ea811284d43544418de193d086181c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}