{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117649",
    "entityType": "User",
    "nonce": "0x2a325dfec872c1461b34e412167e778aa208b2d64bbd18c35b95103d70344368",
    "signature": "0x598bc8ef4b77319cd4a56ed0e2563f9672c2fbf61ec79902bd6b4e38dad43449412f38df27e1d8b05d44a8640c6e4402f3c6f4cd1298905e4c015241ff73a78e1b",
    "signer": "0x81D02EcDcd664B799838B198FBCB5DCFF80De053",
    "userId": "715289203"
  }
}