{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x7e4a415524a645ce671aea3678eb495eee9e0772802a83c0a12bfe11b757d744",
    "signature": "0xae4782abb293fe250e09b5268d720edfe40c1bb8c064da99fd403fbe643f52540ee0cf2da4adbdde284f48a37e7296657f12505efb90a3e065d21b6dd160a3911b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}