{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0x1103bb123061b46300e39e8fd1ec00f08e3f7091755c419f9ca5d5a0a2020d08",
    "signature": "0x29ba6d4d7265efd2a71ccc09216d6851d9a5331e096a1e9d8845741e6eea3ddf2132c4aac4e253aec4a59f246bee49a630169d1277b61e5a638b4c5113c693b31c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}