{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x8217d0c66775f92e29e31901fe8e3e9bae6305efb9cc302ba3fd03c17e350531",
    "signature": "0xde47c34aa4ab7d2c86cbbf2252fbf916bc75b55a6af536d95600aa9c2b28e0c01185d1c16bfb731fedbcd8928f5725f8549e2f5e1e6a6ef3cfd6265ff58a47cb1c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}