{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1967218",
    "entityType": "User",
    "nonce": "0x45600cae5aded8da44733ff09ca8986fc4ffe08af73a93e06d1a921c68cc782b",
    "signature": "0x214410f965d6df555e9ab79c679ec3109e4b7188433364e0021a2d77a66b3b901f84c8591add41e0d8a8eeefbdc1e4fdda6813f2689b98764d06cb593bd7dd761b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}