{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0dfb048b84e77b406a9c25b6116354cfb85b7d72226a38ab2d03842f31d990ad",
    "signature": "0xce12425727b42dcaea25685c0f7caf8132fc41fc95f301c5fe601833b1dd15fa3f2bf0773a755a68d248a918d19938baddb33d32521e3650721318281a1ba0c01c",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}