{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3413d15fcd5f0c902a126c2543e90ddb7d8c4a7a44c8af0ac8c9b7e844383432",
    "signature": "0x4a9e17b1afdd16e6e259c573c6e82da3f51db9f8d90a7dbbcab842afd11a2abe6c08b7626d6bcb46b8693a652ae27f44c74bd01e8fb5ca1f75cfdb820263b42d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}