{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10431",
    "entityType": "User",
    "nonce": "0x6bc0f21272900cbaa382b0a09b1e8d1cc0eefcfcf394e5613211089cbb916754",
    "signature": "0x4c4acdb6593bc32d41448663df91338d1049c209ec652198196708bab8661c30065b2dae68bac2ed41d32e3998ac8e6ace0268e22b0cd03661e7e5bffad7f5b21c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}