{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323239",
    "entityType": "User",
    "nonce": "0xcd157fee193b40f1764548fe4e144875b82581efac6b1fd9262beb64b36b400c",
    "signature": "0x0d2f4c4866dc2fe272eebe543e09531abf40c99786735535c123a72a4e684f5072cbb9461d16b0d1a13de243b4be3c357e593bcaddcebe4d288aecd8021cd59f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}