{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2631",
    "entityType": "User",
    "nonce": "0x74fe34180152cf449b848a65870baba62fd10afe8064c44a32ee47a98ee7a416",
    "signature": "0x725d5e3e3ef259ef25b4989577a590890979b514c920b9015e1c8d8c97cd4a016495c2879932ffa172498c741d8bd6fb03bb579adf55fdd2a84776c021116e231c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}