{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x982c5d2b8360e3ca5871786eab4399c2bc1d1468ce9c9ab54f59eaec833899d2",
    "signature": "0xa0b2f6c1d48c2976741720a833c020ea74af8ea241fad8fb813a0c2b7104fcdf3843729c98d1b05c7f313fac7ee91dd9da3523efae938e40a80ad2c7b5290da21c",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}