{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xedeeefabbe707c2d6a48d71cca572f57a24bbc35cf805c3f51ea37080e0cfe31",
    "signature": "0x2a26dd761497554965bd6a1e8d6bc9ec14ea137f6abdbb6182c102b4c807037e7f1de694614fdcefe1c0626d18d74eabb90ac9d53097b39c19e19e41e34a4a281c",
    "signer": "0x8e43fB50A1566F5659d08D01C166F68b14371ED5",
    "userId": "964637229"
  }
}