{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327343",
    "entityType": "User",
    "nonce": "0x7dfb86cf028aabd60cc49b9603011ee9825c4ef6bb5f4e7996381ce3e2154727",
    "signature": "0xf4ce6cf3c9b46f72603755f57fd08ed853442bf406871dbe7fcd9b81bef18dff256b889585b136971e54d8c83bdafe984ec5358920f3d0d8c5853674a98cc5ef1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}