{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5ef6654b1f9da19ad95d2a7c9ead97c8feb3a79cfba4c10cfc36dc7b443a6bdc",
    "signature": "0x520a113d4188d6aa100b70efaea9ce72bf19cc87413e582adc89a0e715eb47047f5bb295d2a7822cf51a2b80672765bf4db69a847b04aae6d5cf65d8eadf015d1b",
    "signer": "0x098E8AD4F32ebD77E3842377D6764388b71a77c4",
    "userId": "801605059"
  }
}