{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x3b3c2c947763fbaf0f69e93b301352442391b33536e793e0f20d1efed1f64cd4",
    "signature": "0x2200ca4cc9d9adae31751a5d980650dec6e2b1f395a08f188262a4dcc3a09bca6910f85e64564ffcea68e420cc8216c1c692fc432bcda287f73779ed968e084b1c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}