{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x5590624901bb160f0ac5b9867386212f3701b82d6c6eac51a3b647203e367e6d",
    "signature": "0x1aa0fbd7ab5086d8124e4652a0a7e198cbb4dfc1da819e6af7d5510009adc4376aecdbb4efb84ff89f2460266b9f5de3ecffeb7ad239cc5989c12241bbd698a31b",
    "signer": "0xb72e8a3DA14D2C1755c1F80FFdC075DB6260c697",
    "userId": "712229975"
  }
}