{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370554049",
    "entityType": "User",
    "nonce": "0xb287cf778a025ccbc3befad2fff91828eb46df7a9bb996207d80a86bf7a48802",
    "signature": "0x5f1a35861b0c46a219ff89c81c629c6683fdd51c7b42adef55bce52373988a2575ba76d64d211688e229e33e506277ff3be34c9da06bc942752d19be4286cb881c",
    "signer": "0x26b714136DD226055278DCe806D0396a1586Ff1E",
    "userId": "11440"
  }
}