{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3407",
    "entityType": "User",
    "nonce": "0x0b7f6997aae36f7139b433ec423bcd53a4eb4d3e80df4bc3f1c1eddb0604cdae",
    "signature": "0x0e059c9560e6c4f820a60221c58ee9cd074bfc40a0b0969d2e6c79b24b8526ce0a75e1a23bd1e6b74ad25b98b997f4cc9939a673b0e5fddcad2e97741bbe32741c",
    "signer": "0xf43B93bEA26D4fdE1EcCcBCACa587d6edF8bA4f1",
    "userId": "93242260"
  }
}