{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe57c1d0110c836217d1922a611c7cc67b5aa1de9e7d2538c988d39d2b057147c",
    "signature": "0x071857347a30ada97ff7df4cc16146a0938453141e577aa9bcb4515250775f1a05f2598e548ce3375dbe6c2060cfb576f593cf03662224259f3ae2c41f4de7a91c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}