{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x60dc15fc3fd422286f288e6cb34ffee30a0d00bf215d38d3397831f1e5ba1781",
    "signature": "0x5111120e121e2294b8e57e26ffcf048e44760eeedf524216fd79b987a21e8ad17ba9985a721ee0fbcea2fd4b3993f126dcb22e7539e68449c5ea48b75fd49c9f1b",
    "signer": "0x1a14b86421cFD1157bB52D3B0799f0B24a926D3e",
    "userId": "693608897"
  }
}