{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x52521fb50540d9ddd4e3d77e9d301288e14c912b9d4dee6db2210e7fe5d40c91",
    "signature": "0x371190412922259f9607b003943042f300d41f810b96f13e452d97edb2329d127f09dfe63a11cf5379a5f6c0f241326ada2c98d8fac7d4f1f38230238ad813341b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}