{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "498109",
    "entityType": "User",
    "nonce": "0x0cd59f92d106cf92688b42703e8ac2358db5a212cdcfbad41c9274fc310682e6",
    "signature": "0xb66285141a11ed6deedc3dfc79137ba10fc93aa313147c4cd6dce272bf86aba125779f515d15cd2f835726621baa6a63b116b828460b8380df33a7da7b6be1ca1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}