{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0x1d402ed78718c079a2177fd825645e629245056bf24749423c39230092d09bbb",
    "signature": "0x1a661bfbd252024d832817fa6dec128817446d8bf358cc3316604f930ff9d1567781b3aa54e68a364a403b068168dcf84750435cc66339325b4d1a72562201411b",
    "signer": "0x12302E88Cf971407d5bdd167b1AA2664556D3385",
    "userId": "68176371"
  }
}