{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x1927ce3ed0e9cf6eec4ad6ac1d633b1f7d88745a202830c5537799a408f0cfa3",
    "signature": "0xfe14c9b5bd8959b35395b51d4c9727ee3334b7d64ceed188d9c9c15d98a9e6d06f83cc686d33f6442e27fb23628b925045af7ebef2d62cbdbfc4a83cca48941f1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}