{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951644728",
    "entityType": "User",
    "nonce": "0x936bd553d4ddbb532d13302315e607239d2012455c1c97d9019826ef68a9d7c0",
    "signature": "0x224a584814b6c4854f4981d9b70a05b6385c6f849cf37536929abfc6d5be871e5b0ae4fba6eaadf83544ef2546996f38c0a8d5eec96194e7534a2275b9beac581b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}