{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2197",
    "entityType": "User",
    "nonce": "0x849d0c9ade542cd8feef231f9f57aff3b173a7637c9d8a78d72980e40c7a9c7b",
    "signature": "0x5c7bfbab748105220fbb09666b1d464dadee9f9eed6513f3e210bba465aad1d4285448635e3bbd7e8af0a365dacc1eaf45a6e27c8eaf170fb3fb7f339736ebea1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}