{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4084",
    "entityType": "User",
    "nonce": "0x3f91e62c233b9f20f0abd05886887ddfd7167cdf505c027a34a51fa8e4623960",
    "signature": "0x736afc8acc929dcb3b5694b520965dae622c00393a6f63e0572224f2a3f3288370275f9d90ea9c235e6ea8d292f9697cd56c9ecf684de00771fca146393c972e1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}