{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x7aaa9346db767fcb4d9a1b7e72676a339a2cb9bad1eabd44c1466c33ef432d48",
    "signature": "0x30dc636b07ab5eb3497c70e6134f35eda195decebfec407b69f13072a6e74eed61fd06b8db2226fcebfd741c80e36bcb20d5e1bce8ec352a26e460338fe762fc1c",
    "signer": "0xC016cb425E30382D5EE0FC1A4dD9A977f836a2c1",
    "userId": "291544059"
  }
}