{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335904",
    "entityType": "User",
    "nonce": "0x0c947897dc3cae192d726f61a37cd0aee0810b7718401c11387f8afaab7853e0",
    "signature": "0x907bd2e34b68528dcda74d944d3507c7c888b3529262a53bcec65c27349123f56d76a7adda9061b1f94ca8418d9afc0439e495274257b1dfc33aa537d3223aa41b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}