{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x67dc8cb1baa90ca6b4197a13bd5131903288cfe2a1c22a108a2127ae65f0442c",
    "signature": "0x51a30840954bb144a76c10f7daf1c04ecbb5e4193de465bfdc040b0ecc439a2823d707fe9a9005c5e8ec6fa35a2904bce0cbb1fad8531cdaacc3eeb7657ca9ed1c",
    "signer": "0xbC6F2a03a7eF7517ed79dEA4d42b300BBa79f793",
    "userId": "515207100"
  }
}