{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "718327235",
    "entityType": "User",
    "nonce": "0x4a948747302de55a70a16441603db1470ccd97f2dd1b3467ffabd404dc0e9522",
    "signature": "0xbf52e3507658af9017061dbce5908716db4a5840bed58c52be50234a967e0d4f413630040ff415e4aac8dd9077bb19cc31395ae196427feae291952e8cab53ee1b",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}