{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1470527f8ef65a0d35307fe900e726a99f56659b4cac034914750a468826ad6f",
    "signature": "0xa65c2d31a67549fd5a5baf48a303df5ec3ee6a2de11dfaff232e3b72367cd52b63ae0cd9016c23b6f79915c6fa39a25daf1936c081e4a6c40fc107b0437427121b",
    "signer": "0x5F35E11fA87d0A9eE3c49def325d8FdcAD968986",
    "userId": "394773826"
  }
}