{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55447",
    "entityType": "User",
    "nonce": "0x4b7f088f6276361c08eb766bc8460d5d45200d1f3cbab82d3ce4b30d6f5bdf94",
    "signature": "0x9fca7b6c6e681ba8b4f48a387c4bfaf5f4e489bf4287c6cef7036a676ae9a08160a22ca9a61b9084d68a63c7c91aadb98f9f1fb76c505a77d7979bc9645a4ca21b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}