{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xa6c24ce686141ec925853c9c237c797836f56f9561af3b3db8c6df7c43cb54db",
    "signature": "0xc5c9619137805ed6d1c9b7cd37bde51fe4526672a3bcab150af66af168abf172294123121f3779868de41cef65fe5fb3948fb7b13fbff5cabd4cc957141af5491b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}