{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xe1c354508567610c3952fb81c7bf1012e6cee51dbe3f0e9475793e477c3f6411",
    "signature": "0x80b2e015786463306b8a1db5393504b7fd12435d3676388cf1d69017fda6f2842198f8fcabca0fa590179d9cf496d1058c07964cf4af90505876cb6ea9b8c5921c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}