{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0xcfc0b674b5760c13ae6547cce11b9d108a4beaec0d2e14d3dd03dc1e2cfdd290",
    "signature": "0xd7ef0d6a1d8bfd771eac953362e3d683563b0ccd4324a0366a9524c6c396327525747f3e6f7c729920928bb053801c0e5ad9e408cbc16713467262dfc4deea5c1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}