{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49175",
    "entityType": "User",
    "nonce": "0x0c2db6d73bf743239f28b279fe2e23c11b4467b46b27e11d8a93364ec6e97e10",
    "signature": "0x51f00bec7427f7ca351b67650f57c7722415c8eb62dd27fc336746be82ba7b0173a4fcdb5f674983d13859bd729b8eee39b5bc549fe771e2b5c7adae7f0d5b7f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}