{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206753",
    "entityType": "User",
    "nonce": "0x71c390e6f7f1e43fb47c762e0c750992db0079fbd18a4d9b87668e2e93ab9a12",
    "signature": "0x832d85db253478c9c433f74568c7610a4098cded6ac9db6b0ee90bebf13016573c52a2cbec1fcfb5f32c1546e7788c3c810ffcc7ea0e18b9582b9ce3ec799e781b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}