{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xff92dc23de0fdd15613ee9fc2824afdc00f9cc9d00d1fb1c8cde6425dc43b53e",
    "signature": "0x69d3bd03ac218b253f6f6b4c7d41dadac7c9f0cc851b7c053e7efe480fe7bd980f76286dfe23a1ca0a7d85570dc14bb2f03f015dca17b2d71bc96591cf84c0961b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}