{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44159",
    "entityType": "User",
    "nonce": "0x7e5f6b38dbbc5bc0a11faf15b2c0817b659f0d236bbabfccf4045726a7f7234b",
    "signature": "0x2d10c74bbaef396214ba47697f1c449d5c14c6064140a708f53ab0de61986d9734b674be64825b04305872e2d95ac9f795841af2e012a2bcf1b554ea973a19091c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}