{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78449",
    "entityType": "User",
    "nonce": "0xedb3bd6aaae99c832ba34383e4995a9f65ad0ca68b9d7e9158925fd49a97e1de",
    "signature": "0x0fbe9d43bc208dcb8a74b235c57b7fad386b388c1872046de804347d5a783bd53fcb9502ae1fc19cb97f4272d05972ab237f27418cc7d11c2da54053043e3b3f1c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}