{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357897",
    "entityType": "User",
    "nonce": "0x2c3cc4f268fa31c050779337674c60a60a10581ae675652017ac2f92afd202cd",
    "signature": "0x56c5f8ddb341ea412db6a58ccb22ca30359d3cddb7f1d83e14955ddab081ba0355d67b30aba258a141582e3a3900fa5ce2cbfefb4a492da8713d5ca345ca46fb1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}