{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140903",
    "entityType": "User",
    "nonce": "0x64e2a1ea400b064fdcf691db614ffcd67b522024fdb059b9843f7af3cbcb5001",
    "signature": "0x8509198af6770340b1b05d267d9b0172bb6b0138dc1b6233c38190743ec69f1d468ca914fdd0e4a433e40534c372a4895c620b98157210577f46d9d08192c83c1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}