{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265048",
    "entityType": "User",
    "nonce": "0x6a5f46d2e433ffc444e3afdbd3d797d988913ea4bbd84db8cce8284d4f03c1f7",
    "signature": "0x67093a2a3b7c7c3a07064dc010df00b147e628f7d2a78c28e558f751af39b59208e598e9742cb11ce67be29f694c5c21452bccef5cea7facc101bc5e77bed0bc1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}