{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8829",
    "entityType": "User",
    "nonce": "0x506eeb12ef7b853f5c856e5dfe64bc35182e2f9984d8aba31c572634851518db",
    "signature": "0xcb0e84124ea26e13096ed342c9323bda3aff891b895cae7eba3dcf3ea4968b694e115aa90b861a0119d9887799ed01e6f07d83d59bc956af7fe22b27125e5d141c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}