{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x2d83296652f53f5da0a41c7e8549fbfc1e050fae8519cf141007199a121cf23b",
    "signature": "0x548de879c9e8987254cf25fd8ac811196bab2a15190dc83e4ba820c9f9ebcabb083f69de0b23f81c9b06364d56d57e44ad3c678391d34ad3cabb26edefeb288e1b",
    "signer": "0x4e7Ff4DA511194F865D82936Ed0b8fB40B5B9741",
    "userId": "582626597"
  }
}