{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428661039",
    "entityType": "User",
    "nonce": "0x3e1ef976e619fd6139befca5dc9805d5570ff9e07311e0ec92e750bfabdf9a6a",
    "signature": "0x1056cb9d65d2055deab30ffdca4bd6fa82a6c856dd51ccee4334e2688ffa137d17e12c8c0ee3eb7f88fb98fc30cbd6c1c50fc79fbdb072d422aea8649884062f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}