{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xcf4df0c2fb0402f4712e96e828e973e175e0e21ee91586917a8605b970cae224",
    "signature": "0x38993e49704c612b84375cff438387c63a48c6120c41506f301027d68ceaed5329457e081ba939b04702cd272df26d69f9102ee0fc56cfe088bd66cb05194ac91c",
    "signer": "0xf0F491bE628c3A5BF3904d1Ae68bc59234407951",
    "userId": "560417026"
  }
}