{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "786875",
    "entityType": "User",
    "nonce": "0x088f7cb1ee3e25d43355755ba6e7a0b3be3600bc98dbe33aa9869cbb731d8268",
    "signature": "0xd01a13962f53c665cd2f8b47eb3d77723638329a838fde13e688dd835ab0045b6c817a3783f6b5c9d16bbc444ec0d0315b0742a347c3353ccf4bb798037f2df61b",
    "signer": "0xDf2ffE41EC259B85B3F9C88700b293499D4Ae6C5",
    "userId": "339350040"
  }
}