{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194935",
    "entityType": "User",
    "nonce": "0xc547a2b6376883c9e7e40b495372c5243c0c252b4e1c8bb67831c0f5c4621051",
    "signature": "0xca741349b9be2f63a4307f371ed366a1f52986bc0702189f8cd6ec4c0f44096067e13ee7a78f9b130c79c037eed3168c0e93f33c535a9a46acc6363fdfdf40861c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}