{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57967",
    "entityType": "User",
    "nonce": "0x08b616d67ba83e0c8ad0026c18cd1276e3f358258b949719a633ffe5381c2dcc",
    "signature": "0xbd963939035bbc06ec6dc24459b91de6db593ecb00b39cbc68c4251e16f5a1b236b941f909e88c0a5b674cb1b70b502c0b587839337a9f83c861d9981d1e07131b",
    "signer": "0xD9254B079e0e1571E56512C57188F2eec899054f",
    "userId": "854498636"
  }
}