{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55913",
    "entityType": "User",
    "nonce": "0xedd2b80167d08c8f7a34d73ddc6b2898055f5a2336b1f660f16f3d85e08f78e5",
    "signature": "0xe18afac623e9b1188eeef51a255dc1537614f0add1483bc08a37f613a6fcbfd567a324a21bc7105686914ee0bc2da530d321441c9685e9082f29db87fc0749101c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}