{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3825",
    "entityType": "User",
    "nonce": "0x3bd5b43c82b99424ccdf20fdffdc75daff2008375d7c2fb475bc21c59dba5628",
    "signature": "0x1a207a43c4f9ba2b52d0bfb8dd04ff236e8bfe1f269f3a35487e7fb3a7091391633c298eea5486883f882e65ecb6d0023ae47754b7535a08cdf43d643cfb8e201c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}