{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcbe498fb07111fb2c511e74ba2a0a346115f568a7cd555b42c79e76402e7acbc",
    "signature": "0x160a43e0b752020e0e55cd2449720611540e5f03dfa183c8b62df347117a79d85ad4564bf9df309da8686edda5ef768bd35c2cd98572233cfa6c4f64d150783f1c",
    "signer": "0x069e1033eB16ced8C7A80ad1deCa9cEE6EF662E8",
    "userId": "368189542"
  }
}