{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "906184213",
    "entityType": "User",
    "nonce": "0x1562b6c499f5fb48ef69f211f64748cf860927fc4babeb32113b117330ef0190",
    "signature": "0xd850993260fb9e18d7f70916244143b8c15e1c87c4301f6343e80ff027926d4a0c18662f754aa405e0c14553578326df2c5305feb75aecfc5869ac1cf41ec9dc1b",
    "signer": "0xF7628Ea36C0C266E289b7538b033fB949A6C31ff",
    "userId": "386745392"
  }
}