{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x93f6978331399cb7022ae98e64c650e63af85b64692da28f40e231c8b76199f5",
    "signature": "0x0e15675a71efd770b5390350509730d5b5b37b9ab5f9a86701f9d2a1d130c1ef51b33b002605177b3278ce803140e14555f668bf952d5116a8ff917a563af56c1c",
    "signer": "0xC728d461208f32A72c509e176ED6ba54c844099F",
    "userId": "176232909"
  }
}