{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x163dd6df0de89c03df3a47bd1e6d23395221479e0dcf1a1d8443bf2e6322ace5",
    "signature": "0x91285eed922339128606f11dc3e6144f31ca99fcdcfd702a880e0b4d16579d2d2a4f9997f493effd67d163a9d3e8418d956f04a37ac6c6f9a6df617d65bbcaea1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}