{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x0aa4940559e60007f163cc0b10a3a03b2aacddfd922da35aa95a789f4c236aa4",
    "signature": "0xf3354856bfb58a7796c9859f44fcc8049d22799a4feed9cd988d021a5c00a5d8766ac83addb2cd45acd1e62073518b815381258a68b5b3945f302bb4bab618ca1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}