{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x5e770de4a98abf0dce6368a5b719d29cc0f53f12828192236dace6363add9b30",
    "signature": "0xeff8285e6604df8a27fe017dfa5d26fb6668a8077ff6bc2ff55e0e3009a359f96b853ce7eb6bd3c2fd508c7f86ed2956503f8e3ea568b1258d8d41499af49f641c",
    "signer": "0x9b682c779356138D1D188CAB373b0F44a2d43d09",
    "userId": "512022848"
  }
}