{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x451a89df112c1eb8dbb512715239e884e0bab1ccaf59c6e1c6dd0e92142b6c25",
    "signature": "0xe9e1468298df643749cd9e47d6d4d4cb05fcb682207e80c9e06fb2aeed94f8f23b40698664bde92e03516189637b3956a3c6e157f2544046e2bd50dd350b54881c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}