{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135831",
    "entityType": "User",
    "nonce": "0x36d0d7a687ea2de61b21b10272066e67c4576e4b2e6e7094969171ca42898732",
    "signature": "0xb8150a648a3395c529283356a25dd3939d2de688aa4517ab14524b5ab3ab9deb6b376cb97ea9d660e8ad49eb7e1efa24edcb62c3f25482e29b14e5dbb68770631b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}