{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd93c31f0559b5f1e2a27ac75f2f6d586a7149a644591281223793dab5ce59cd0",
    "signature": "0x699bd1768789b88b985109462b3133c783f0b814f98b9f9b30310886644e12d70fecc7deacbabe4fab2b414cbf1578c59f07219f8e1ab1c460c61639f597e4b21b",
    "signer": "0xdD3D3A7Ff937141654da2491E97588BF0fFBA291",
    "userId": "837737845"
  }
}