{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xacd527542dca927543934600b49a27cc9a541aa74fe3f0e151108e61d121f2eb",
    "signature": "0x68a55a6d77012a96f0108ea64d50e1e058c84da00d5cfd34a648de026ac1e1032aa2a05469e42bf5c1c44577b2e3ca287e1c92874289d9d77e6a7639cd68003f1c",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}