{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274418141",
    "entityType": "User",
    "nonce": "0x1ac6b2636435d3e5684f33aebd28208a85338b5d02ab55c9b275d64044eedc17",
    "signature": "0x830c5f119ea956252460895ceb955d8ba90da490bfc6392e34d9f3a597a23b123511bc1bb962612d2e036160ff7f39ebc880ac8ff123fc701da849e48cbf33fe1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}