{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x336d92c27de80099633a30c43f36f06e4ef5c05e21a87ded925de6efd383623b",
    "signature": "0x4a36638a4f7805a23b38ec665a6a3585878dd9bd809c2151fd1c3f801caa5dda4f0e25cb7c713e4dcda3d09123cbf2db41392c4a518004164e105680ef8478611b",
    "signer": "0x5642523A896f5Abe636541e24da44F54ab8E9790",
    "userId": "635508657"
  }
}