{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "323239",
    "entityType": "User",
    "nonce": "0xe38e852525f3c214e2221e93f8d9df4fff6e2ac3c36d79df4829fb9a245badf7",
    "signature": "0x297ec8b7eae5d9b2bcf43eebd202f1461b976076adab6f70207b38467025b9db2877dd01ac8bc4f776fa19a6657c4333fc1f193243b20adf5e207783b4928f301c",
    "signer": "0x3B72fa667D52755CcB53B3815f3be52AD038A577",
    "userId": "211024156"
  }
}