{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x428bb6ec7223d55e117df247d05ec67cf51384c79b9b7efcf28f3e0b9964181e",
    "signature": "0x7214733dae6c55d1b0dacf87c4dccac608ebeb2168b4ff8ea1d56909f9854421655d54cb2196a7d7710ae4d23aefef0907eb849a08c422b36257752ee1adc8561b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}