{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xaa34e490a9b47612df4cc4e7833eb4f4b23ea308f3b5a3712a355fee4155c631",
    "signature": "0x4e1519f648a5389ec6e9e910533f5164708ed2b3e217f1c420f829f21f423110749a811c7d5ca829f021ae6060c2078600b4a78e484127ad044981adce4e33be1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}