{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928381185",
    "entityType": "User",
    "nonce": "0x37be62b3293289f5f376f5e5e7a02184a3e7800dbf3e1981f01030a3a0845d42",
    "signature": "0x62a87ab838473941fe3af4f1fc5fdcca2f84e6c0f4bbaaa3778484a425aaa43216d80185831a26b5762404cfae18fbfd2727259b9154938f783cf7ec25ec1aaa1c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}