{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486514977",
    "entityType": "User",
    "nonce": "0x954b07c3a74a123f4e0325427e5d19c5e993228e33b9289cac19ffa2a355c61c",
    "signature": "0x0d9a4036e69f731d42af9eb7387d4db66b25b64558d281e351a5a5f7f397e7eb4ddb8ac4978e9069183663491e2b79a5ce172382dfeb3d845292c863f4f728af1b",
    "signer": "0xcc9cCc523005B394381478381D34DddB8558A28f",
    "userId": "957873025"
  }
}