{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0x3d12295d51ec53b2d5cf6c2915f9552e17821385d876755c100c34de182b7ef4",
    "signature": "0xe6e9b47181ad3f73b3647241a4ee73d46635c88e6f31a893275d1ade7d4da30f0f41b10dbe5f84034a0731555175bd84a422af74aac99694d557e6686b25f7d61b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}