{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x8da18fb2719ccb9b6e47bc5a31f6f15bcf923c752bb03013b31e3a7c9543b67a",
    "signature": "0x11ed9fcfcc2ec59e917dba3cccd30aa2dae8beb091bdd38e003fd2c9c4353394236f430c08177662634e007fa873551fd9b5e5d0cef41c93fbeb411c51c731d71c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}