{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197705",
    "entityType": "User",
    "nonce": "0xa8c76ea900159dde109e2c0e8903efbeade51c4d65196a5175fe63f46e457cf2",
    "signature": "0x06517f2a562f5a9fea8da7dab1630e6c77b7e61c29a91ad6b369de8b941dc40b6c6a2f37179f400418e590ca4199c0ee09ad524da4e3d7b6156b67f289659b6b1b",
    "signer": "0xF1412D136B6B986125dbEc198aa24CbE8b1e4E34",
    "userId": "116991379"
  }
}