{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "665370465",
    "entityType": "User",
    "nonce": "0x98c9e5112ca74f48a9ceffa2f49f9f2faead6dc407e87d137d32fc3e4374455a",
    "signature": "0x55d5f57687ab1776a9625e2140da12542bb3e1e913d31c31edc9569dbc16b7e33305723a734fb7589b5ec35c67811d6cc06a99c8e96230aaf8113c8ec346780b1b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}