{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae6b190b28745191b5b0dd1c583226b75ad804f73e4c341628e8df34ea532bd2",
    "signature": "0xaba166387cdee19f72c4d459451be38f7f6ea681a7da6ed780f7a327865d118d44315be49b636d3e37c342b996042239b26a8458572bb4244eec9b8023c5fef91b",
    "signer": "0x6dd2A130aB471549462B10418CE22832cEC4F940",
    "userId": "853876214"
  }
}