{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "835467",
    "entityType": "User",
    "nonce": "0x67596baa89781d1b91e76d45ae6079af7e2fe4cc3760c9fa63b4836d6d0a7205",
    "signature": "0xe7455deaaba393cd873ca9d04bb24327c3cd35f7ed66acd23edd08d9d033ae930a5464bbb1da4605dfc6109d1b1cecb7fbd714d2765652b00ce638cb0e121d411b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}