{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdf6d17300eaadaff5a91fa9c284a08fa14481b6942635f926cca84c84f205806",
    "signature": "0xb10e034630ab8c06561e3548f17a746e3cbefb7d764f88b2bebd541c258a36972d624f434ee12388e24df6269808a2f83f55b589039bcbbc50a1707c8f78b8691c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}