{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208092",
    "entityType": "User",
    "nonce": "0x3776a0dd16b3efff467f68bc264a5129bcf44af75a6dd6e20e62c32c89bb1166",
    "signature": "0xf09e2aa09b89655105a2bf14b0e64c67b1bc62f8b4071b4164cabc408287deef1cd9a9f2d7e5dbb4478d521bf903eb157244ee71c66a9389cb26aa9f154713b01b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}