{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xdefb4fc451bf0fe4d29f7bcb84754ca51c3d654262764659c3108b2956e5ec5e",
    "signature": "0x052625f0b5b1445f2bcaab1271e5263b6576f8fedfd25e619d4bcff0c9e3300e1ce3e82c729178728e5e02bd267e01d1e9d5b4a3396623a6f0df5d02f26d702e1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}