{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdede0baea5871fbbbbe6b5bf4ab5408aba8e1478e2d0556aa398d9056e53921d",
    "signature": "0x0f0e0d4b95c8d3aad891a4f2197519aafeff2150bc2ca92a92ac84d50c35f82d50ca15ae73d78bd82d2a0614e9bb6eb5de711d2f760765b99e95b9abef9c86391c",
    "signer": "0x08Cb4a264810D320229f229688F558F5894fC448",
    "userId": "81039471"
  }
}