{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0x209ee9384eafa2908fc2975b084781b3a3525604502b13d512f119029735b0db",
    "signature": "0xe034b42feae9ea481070a51712a2884d14782a38a278f13877cdaae30337cf5c28607141a367b21f3b6bf0453cab0c32eedca8e3f26572e95a50b11139689dd71c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}