{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167051786",
    "entityType": "User",
    "nonce": "0x42497740bc15f4b9328a83eb0a644f7b197386a970848804dc11f4528b2ddcf1",
    "signature": "0xb89904bd0b309954a6fb06ca1c695fb581e1170d0434400939f13600d9fa67142630b36d39e78643a10120ba48f72332fbecd1727ccb91117ecf65facdc318941b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}