{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488513111",
    "entityType": "User",
    "nonce": "0x1adbaefb83dc03ebe56b25da1ed5ce6b4de7b941e96bb417c165a677bbe4b097",
    "signature": "0x196f595f38bda4a61fa1b8c291a2f36c62f1809d523897947ba2f7682717f1826309d49e34afe0e6a0014abf17302c1a70890346fa32e355ceccf54f4fc0eb231c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}