{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x40d596c67fdf04e697f0f14726a4b0c6c468d3472fb569cf7810d1ae87fa3eaa",
    "signature": "0x45585550a709b08dff6504f9cbe6a0c8416938940a2dff98b88ace74f6b6542e4f1b65db1a6b3449dfdad96b8776986e3dca46287feb6659e2b0b1cd3992f8f11c",
    "signer": "0x2d59Adefe6aFAfF9c7F790369152515Cc2BC5510",
    "userId": "388606933"
  }
}