{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238712",
    "entityType": "User",
    "nonce": "0xdb77107f723700ee460fd9cdbb14bdf6b987d52498c42c2a0fe4208d878bd215",
    "signature": "0x51ebc28abc9049428d49f4e4e551254fca0810cd22da0c2c202baed0a3a5b8af066b60193c8adbec36f1e529aa09e6bc747467e6d6e5aab5b96961863b1606541c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}