{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52407",
    "entityType": "User",
    "nonce": "0x92e3ac2f2b15d76b190927a948f6583b41789a75e021f89f7f799b8cac7ef1de",
    "signature": "0x2e4d46298f47b4bbd589a8a00ddc98c05c556c30cff79ff721d73c21fb136b022cb863a433eab0b012e3694e96c79b32ac7a62563b6603f32c6b99048a61f9e51b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}