{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xd66e7611648bbf3dca7206b5ee3ca746ff75403c576f3de04f5c88960fec4ef8",
    "signature": "0x72e9dec7d88b75d4c7c1a0e14fc7256686d1c94d46bdb5e4a846cb424f8da87444561e59ac77946ec7b6a72b8dbc8538102907894fb296799a7f1c480dc004b51c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}