{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "884084092",
    "entityType": "User",
    "nonce": "0x6d22898b36c9f9f3b3e2467f7f4372d318aab1db891143031768e888df8f4b85",
    "signature": "0xe96b337be810cd6b22d4a5bff5c97f2266abe8c12c7c2aba19c0c847a42e3e2524384e07369fe862fb5057df8d34ec77350123f6040f544e1fc443d289ce39891b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}