{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x57b46b9a5fcca43686be25a02737953a404a58de3c38996085a091e7aa2b98d3",
    "signature": "0x1c3607bb2b2bb8cb9c196fb4e772cc0946ce0d1371ba27f87c64a5e46282be8a1f3e8734056399a906e2ce91dfb0920b4cde6f8f414ba0ff77b60fc6b27099d61c",
    "signer": "0xAEc4BA229696a4DAe2125cD32943943AaCa0CaF4",
    "userId": "354024696"
  }
}