{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147070911",
    "entityType": "User",
    "nonce": "0x1f8984286a8824a6946fbef6b256cf11dedd36c75031d2f43a76bdee5a6e8e89",
    "signature": "0x513b0c25eae5c4c9f562aa131087c9af4cef19e25eaeb3806f4e5921650abc061346b2d95a7b0056a57c2a297ffedc9637d8d7e201f00d89964fe34a06d58f5f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}