{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1714556",
    "entityType": "User",
    "nonce": "0x5d449eedea131f6dfb3c261bb2a46680164ff43cfcf9021f4bcc3de72ac3cb68",
    "signature": "0x8d82bf9a3134b438b03e37a794bcf1f24ed3f25ecab61c62ce7d1b46d355bdc912be95cd5fffa82e25f818da9b9c57b5e2a13a23b01d214d4c66c6e138a08dc41b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}