{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xcae89e0a11bc86b335a2cf29c97e18ed104357972cc53546b1052e2991ab73db",
    "signature": "0x502a89e5eea5e342fe7ad0159b00927c4ed305cc6027f102fdba3bdf171cedf218fabceca54712b8154a4341b6cae5242981b3bf54562e1a81581f919d6e7b6f1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}