{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344756485",
    "entityType": "User",
    "nonce": "0x018c44f9753c1aed1c66d6d0c46071b5d8681a1632d5b36b8f7cf75d8162e42f",
    "signature": "0x9bbf13e8e3c2897b32565f2b4112b3c7541b5e218f38ef4552f209b1adc7c6473d50c86986fd6447b6b8036a67f4fd73f89bac55d481b5ca873fd1653bdb0cc21b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}