{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40839",
    "entityType": "User",
    "nonce": "0xcc86ac2f5ee37b9c1b563f86b1583cc38e7dc71dfae6b70658c96791cfbe3d74",
    "signature": "0xfb35188dab875963550ca89045da6c7a8c0b1ee1b6bf57f925aeb0d00808dd086fc2ad24c85635a131e41ecd9470b49a94838ed2c624b3a094bb508daee7e9e51b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}