{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949162602",
    "entityType": "User",
    "nonce": "0x35aac612896cd2f49c55eb42b4dd3b87771a2e7d4287175bb08c6ab069233ca8",
    "signature": "0x982dbdbf0a12333a66d5931bab0b208c097d21ab6a2601e78d1f82206a83594d7e51809c753f2fd2ca6769a6b9fb550f79803e26e1a4eaae0b2270a38db8e9851c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}