{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "694752224",
    "entityType": "User",
    "nonce": "0x8e9f98d41e80ef6ac286d69e3ab31ffd9499f2a17db382c8365f757d0c5f388a",
    "signature": "0xb90557f416895458c387760ad76f47b1bd597af272ebca73d72b42697a8face64c500adb10c21274986b1d7afcab1d00a2cc035cfcb2b178bbfecc15392e3ef61c",
    "signer": "0x8eEbaC0c8b926729F8Dc288872A07cc9d08d8d8c",
    "userId": "42402405"
  }
}