{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x60436b5bbeb9e43302b8a92ecb549e3498ff80274a8e622b5e81921bb17feb8c",
    "signature": "0x61eb9e12b4c8dc23a0b44d5830e03ba181129b75c20ffe2a55734f999dff98686cf7e0159a0f0c0a3341315bdcc382af589465e61f1cd20ff7cded194045cacc1b",
    "signer": "0x3dCA4F786a1e64C4c6ea46dbB67Aa793bA7Db05D",
    "userId": "19387738"
  }
}