{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295993",
    "entityType": "User",
    "nonce": "0x563854355b4f4ce90ae987569f778f63688b5cfc95639ec54085a33685d9a8b6",
    "signature": "0xc0f5b1c4af437c11a270917474197be8e845454dd7960e58aefff02b58bba4d318e9dcdd7fbf1e10ef4a8d9161f77ece4f593738c046e3e095919c2fc67dd1ae1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}