{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "447081832",
    "entityType": "User",
    "nonce": "0x9c57428651cd427352394e6e2f170972945e92fac671c1c3913a997357d30b9d",
    "signature": "0x2ee449f20567341ce6857dcb4a15e6b3f980e25fdee3bf41bc81249b7c7e2b3e5693cc71eae467bbf75a9f69d5f3e94d99c45da93f7dc809d5e1c30c8eeaa5ff1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}