{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40202",
    "entityType": "User",
    "nonce": "0xc36a526fe023e6d10886ff95b3f696208e39eed8a2d09ea86113132412b57fff",
    "signature": "0xa7275a27d56de95050a1027be0763d9592e44f6a6977107f6101687f7953ed341d728a46b47d4d283ba742350fd370c6e7e96f03962c58c51a2e02009620645d1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}