{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4bc134d59581f8203c16642d4c6a5c3dc2c9c76dd52564e8c74e64abb40d81c5",
    "signature": "0xf56c379d34db875cb605d46240d269c9ca5d9957a7bc288a6827ccbb1c655eac79caf953fc3d1b9c86d23c1f34c5e4c34dbdeb0e13964b821dc511bba9551f2a1c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}