{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103086",
    "entityType": "User",
    "nonce": "0xe224f3d11ffb9ed34d5cb693dbd4e704417482829516627bab23f183a9f1abb0",
    "signature": "0xe4f419dbc10d78ed58997a83cccfa92942f458f58a8cc4ea78d08c915cab36e16bba9e70a8a05bd66c5280fd265e3de483466379651c680297906fffa2f152911b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}