{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "131834",
    "entityType": "User",
    "nonce": "0x3f1b9a71216a04b5ac5f6997d50a6a036715eb520d990b638cc646df97519d08",
    "signature": "0xa05895567e93663ffb689888a4c08f9998a36f044382baa8e7628628710d7d542e3f6e197559054a34a1a669e467954337b9dba1676f9f2a70be08780980c9b41c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}