{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x03a5575278f2b51f7e751771328dcd038bfc5f460755fe06baf2bd9db1dc82f4",
    "signature": "0x07e0673c9121a97792ca162c72d39acfdf2cd98f66aae498258d6a7df7774f8b381551faab32c29054339ce6c37de1cce71d253b077e468e31288dd06ecc49b41c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}