{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223236",
    "entityType": "User",
    "nonce": "0x0f6b2e8fbafd9780609b702864fa619e3c903b47946dc2a809886419af95c623",
    "signature": "0xd99180efe607617f08ebd1b90b81ecb199b27a0694b621122a5e8100db243ffe75ce01548cb862e0cbbf5c8ab1b69b3e2dd29950caede244e42c6bf056c3d4f61b",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}